Preview Extract
Chapter 2
Job-Order Costing: Calculating Unit Product
Costs
Questions
2-1
Job-order costing is used in situations
where many different products, each with individual and unique features, are produced each period.
2-2
In absorption costing, all manufacturing
costs, both fixed and variable, are assigned to
units of productโunits are said to fully absorb
manufacturing costs. Conversely, all nonmanufacturing costs are treated as period costs and they
are not assigned to units of product.
2-3
Normal costing systems apply overhead
costs to jobs by multiplying a predetermined
overhead rate by the actual amount of the allocation incurred by the job.
2-4
Unit product cost is computed by taking
the total manufacturing costs assigned to a job
and dividing it by the number of units contained
in the job.
2-5
The first step is to estimate the total
amount of the allocation base (the denominator)
that will be required for next periodโs estimated
level of production. The second step is to estimate the total fixed manufacturing overhead cost
for the coming period and the variable manufacturing overhead cost per unit of the allocation
base. The third step is to use the cost formula Y
= a + bX to estimate the total manufacturing
overhead cost (the numerator) for the coming period. The fourth step is to compute the predetermined overhead rate.
2-6
The job cost sheet is used to record all
costs that are assigned to a particular job. These
costs include direct materials costs traced to the
job, direct labor costs traced to the job, and manufacturing overhead costs applied to the job.
When a job is completed, the job cost sheet is
used to compute the unit product cost.
2-7
Some production costs such as a factory
managerโs salary cannot be traced to a particular
product or job, but rather are incurred as a result
of overall production activities. In addition, some
production costs such as indirect materials cannot
be easily traced to jobs. If these costs are to be
assigned to products, they must be allocated to
the products.
2-8
If actual manufacturing overhead cost is
applied to jobs, the company must wait until the
end of the accounting period to apply overhead
and to cost jobs. If the company computes actual
overhead rates more frequently to get around this
problem, the rates may fluctuate widely due to
seasonal factors or variations in output. For this
reason, most companies use predetermined overhead rates to apply manufacturing overhead costs
to jobs.
2-9
The measure of activity used as the allocation base should drive the overhead cost; that
is, the allocation base should cause the overhead
cost. If the allocation base does not really cause
the overhead, then costs will be incorrectly attributed to products and jobs and product costs
will be distorted.
2-10 Assigning manufacturing overhead costs
to jobs does not ensure a profit. The units produced may not be sold and if they are sold, they
may not be sold at prices sufficient to cover all
costs. It is a myth that assigning costs to products or jobs ensures that those costs will be recovered. Costs are recovered only by selling to
customersโnot by allocating costs.
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Solutions Manual, Chapter 2
1
2-11 No, you would not expect the total applied overhead for a period to equal the actual
overhead for that period. This is because the applied overhead relies on a predetermined overhead rate that is based on estimates in the numerator and denominator.
2-12 When a company applied less overhead
to production than it actually incurs, it creates
what is known as underapplied overhead. When it
applies more overhead to production than it actually incurs, it results in overapplied overhead.
2-13 A plantwide overhead rate is a single
overhead rate used throughout a plant. In a multiple overhead rate system, each production department may have its own predetermined overhead rate and its own allocation base. Some companies use multiple overhead rates rather than
plantwide rates to more appropriately allocate
overhead costs among products. Multiple overhead rates should be used, for example, in situations where one department is machine intensive
and another department is labor intensive.
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2
Managerial Accounting, 17th edition
Chapter 2: Applying Excel
The completed worksheet is shown below.
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Solutions Manual, Chapter 2
3
Chapter 2: Applying Excel (continued)
The completed worksheet, with formulas displayed, is shown below.
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Managerial Accounting, 16th edition
Chapter 2: Applying Excel (continued)
[Note: To display formulas in Excel 2013, select File > Options > Advanced
> Display options for this worksheet > Show formulas in cells instead of
their calculated amounts. To display the formulas in other versions of Excel, consult Excel Help.]
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Solutions Manual, Chapter 2
5
Chapter 2: Applying Excel (continued)
1. When the total fixed manufacturing overhead cost for the Milling Department is changed to $300,000, the worksheet changes as shown below:
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Managerial Accounting, 16th edition
Chapter 2: Applying Excel (continued)
The selling price of Job 407 has dropped from $4,348.75 to $4,112.50
because the fixed manufacturing overhead in the Milling Department decreased from $390,000 to $300,000. This reduced the predetermined
overhead rate in the Milling Department from $8.50 per machine-hour to
$7.00 per machine-hour and hence the amount of overhead applied to
Job 407 in the Milling Department.
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Solutions Manual, Chapter 2
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Chapter 2: Applying Excel (continued)
2. For the new Job 408, the worksheet should look like the following:
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Managerial Accounting, 16th edition
Chapter 2: Applying Excel (continued)
3. When the total number of machine-hours in the Assembly Department
increases from 3,000 machine-hours to 6,000 machine-hours, the worksheet looks like the following:
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Solutions Manual, Chapter 2
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Chapter 2: Applying Excel (continued)
The selling price for Job 408 is not affected by this change. The reason
for this is that the total number of machine-hours in the Assembly Department has no effect on any cost. There would have been a change in
costs and in the selling price if the total machine-hours in the Milling Department would have changed. This is because the predetermined overhead rate in that department is based on machine-hours and any
change in the total machine-hours would affect the magnitude of the
predetermined overhead rate in that department.
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Managerial Accounting, 16th edition
Chapter 2: Applying Excel (continued)
4. When the total number of direct labor-hours in the Assembly Department decreases from 80,000 direct labor-hours to 50,000 direct laborhours, the worksheet looks like the following:
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Solutions Manual, Chapter 2
11
Chapter 2: Applying Excel (continued)
The selling price of Job 408 has increased from $2,905.00 to $2,944.38.
This occurs because the decrease in the total number of direct laborhours in the Assembly Department increases the predetermined overhead rate in that department from $10.00 per direct labor-hour to
$13.75 per direct labor-hour. In effect, the same total fixed manufacturing overhead cost is spread across fewer total direct labor-hours.
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Managerial Accounting, 16th edition
The Foundational 15
1. Molding: Using the equation Y = a + bX, the estimated total manufacturing overhead cost is computed as follows:
Y = $10,000 + ($1.40 per MH)(2,500 MHs)
Estimated fixed manufacturing overhead ………………
Estimated variable manufacturing overhead:
$1.40 per MH ร 2,500 MHs ……………………………..
Estimated total manufacturing overhead cost …………
$10,000
3,500
$13,500
The predetermined overhead rate in Molding is computed as follows:
Estimated total manufacturing overhead (a) …
Estimated total machine-hours (MHs) (b)……..
Predetermined overhead rate (a) รท (b)………..
$13,500
2,500 MHs
$5.40 per MH
Fabrication: Using the equation Y = a + bX, the estimated total manufacturing overhead cost is computed as follows:
Y = $15,000 + ($2.20 per MH)(1,500 MHs)
Estimated fixed manufacturing overhead ………………
Estimated variable manufacturing overhead:
$2.20 per MH ร 1,500 MHs ……………………………..
Estimated total manufacturing overhead cost …………
$15,000
3,300
$18,300
The predetermined overhead rate in Fabrication is computed as follows:
Estimated total manufacturing overhead (a) …
Estimated total machine-hours (MHs) (b)……..
Predetermined overhead rate (a) รท (b)………..
$18,300
1,500 MHs
$12.20 per MH
2. The applied overhead from Molding is computed as follows:
Machine-hours worked on job (a) ……………..
Molding overhead rate (b) ……………………….
Manufacturing overhead applied (a) ร (b) ….
Job P
1,700
$5.40
$9,180
Job Q
800
$5.40
$4,320
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13
The Foundational 15
3. The applied overhead from Fabrication is computed as follows:
Machine-hours worked on job (a) ……………..
Fabrication overhead rate (b) …………………..
Manufacturing overhead applied (a) ร (b) ….
Job P
600
$12.20
$7,320
Job Q
900
$12.20
$10,980
4. The total manufacturing cost assigned to Job P is computed as follows:
Direct materials ………………………………………………….
Direct labor ……………………………………………………….
Manufacturing overhead applied ($9,180 + $7,320) …..
Total manufacturing cost ……………………………………..
Job P
$13,000
21,000
16,500
$50,500
5. The unit product cost for Job P is computed as follows:
Total manufacturing cost (a) …………………..
Number of units in the job (b) …………………
Unit product cost (a) รท (b)……………………..
$50,500
20
$2,525
6
. The total manufacturing cost assigned to Job Q is computed as follows:
Direct materials ………………………………………………….
Direct labor ……………………………………………………….
Manufacturing overhead applied ($4,320 + $10,980) …
Total manufacturing cost……………………………………..
Job Q
$ 8,000
7,500
15,300
$30,800
7. The unit product cost for Job Q is computed as follows:
Total manufacturing cost (a) …………………..
Number of units in the job (b) …………………
Unit product cost (rounded) (a) รท (b) ……….
$30,800
30
$1,027
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Managerial Accounting, 16th edition
The Foundational 15
8. The selling prices are calculated as follows:
Total manufacturing cost…………………………
Markup (based on 80%) …………………………
Total price for the job (a) ………………………..
Number of units in the job (b) ………………….
Selling price per unit (a) รท (b) …………………
Job P
$50,500
40,400
$90,900
20
$4,545
Job Q
$30,800
24,640
$55,440
30
$1,848
9. The cost of goods sold is the sum of the manufacturing costs assigned
to Jobs P and Q:
Total manufacturing cost assigned to Job P ….. $50,500
Total manufacturing cost assigned to Job Q …. 30,800
Cost of goods sold ………………………………….. $81,300
10. The plantwide overhead rate of $7.95 per machine-hour is calculated
by combining the estimated manufacturing overhead costs computed in
requirement 1 for Molding and Fabrication ($13,500 + $18,300 =
$31,800) and then dividing by the estimated total machine-hours:
Estimated total manufacturing overhead (a) .
Estimated total machine-hours (MHs) (b)……..
Predetermined overhead rate (a) รท (b)………
$31,800
4,000 MHs
$7.95 per MH
11. The manufacturing overhead applied to Jobs P and Q is computed as
follows:
Actual machine-hours worked (a) ……………..
Predetermined overhead rate per MH (b) ……
Manufacturing overhead applied (a) ร (b) ….
Job P
2,300
$7.95
$18,285
Job Q
1,700
$7.95
$13,515
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15
The Foundational 15
12. Job Pโs unit product cost is computed as follows:
Direct materials ……………………………………
Direct labor …………………………………………
Manufacturing overhead applied ………………
Total manufacturing cost (a) …………………..
Number of units in the job (b) …………………
Unit product cost (rounded) (a) รท (b) ……….
$13,000
21,000
18,285
$52,285
20
$2,614
13. Job Qโs unit product cost is computed as follows:
Direct materials ……………………………………
Direct labor …………………………………………
Manufacturing overhead applied ………………
Total manufacturing cost (a) …………………..
Number of units in the job (b) …………………
Unit product cost (rounded) (a) รท (b) ……….
$8,000
7,500
13,515
$29,015
30
$967
14. The selling prices are calculated as follows:
Total manufacturing cost…………………………
Markup (based on 80%) …………………………
Total price for the job (a) ………………………..
Number of units in the job (b) ………………….
Selling price per unit (rounded) (a) รท (b) ……
Job P
$52,285
41,828
$94,113
20
$4,706
Job Q
$29,015
23,212
$52,227
30
$1,741
15. The cost of goods sold is the sum of the manufacturing costs assigned
to Jobs P and Q:
Total manufacturing cost assigned to Job P ….. $52,285
Total manufacturing cost assigned to Job Q …. 29,015
Cost of goods sold ………………………………….. $81,300
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Managerial Accounting, 16th edition
Exercise 2-1 (10 minutes)
The estimated total manufacturing overhead cost is computed as follows:
Y = $94,000 + ($2.00 per DLH)(20,000 DLHs)
Estimated fixed manufacturing overhead ………………
Estimated variable manufacturing overhead: $2.00
per DLH ร 20,000 DLHs ………………………………….
Estimated total manufacturing overhead cost …………
$ 94,000
40,000
$134,000
The plantwide predetermined overhead rate is computed as follows:
Estimated total manufacturing overhead (a) ……
Estimated total direct labor hours (b) …………….
Predetermined overhead rate (a) รท (b) ………….
$134,000
20,000 DLHs
$6.70 per DLH
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17
Exercise 2-2 (10 minutes)
Actual direct labor-hours (a) ……………………
Predetermined overhead rate (b) ……………..
Manufacturing overhead applied (a) ร (b) ….
10,800
$23.40
$252,720
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Managerial Accounting, 16th edition
Exercise 2-3 (10 minutes)
1. Total direct labor-hours required for Job A-500:
Direct labor cost (a) ……………………………….
Direct labor wage rate per hour (b) ……………
Total direct labor hours (a) รท (b) ………………
$153
$17
9
Total manufacturing cost assigned to Job A-500:
Direct materials ……………………………………………….
Direct labor …………………………………………………….
Manufacturing overhead applied ($14 per DLH ร 9
DLHs)………………………………………………………….
Total manufacturing cost ……………………………………
$231
153
126
$510
2. Unit product cost for Job A-500:
Total manufacturing cost (a) …………………….
Number of units in the job (b)…………………..
Unit product cost (a) รท (b) ………………………
$510
40
$12.75
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Solutions Manual, Chapter 2
19
Exercise 2-4 (10 minutes)
1 and 2.
The total direct labor-hours required for Job N-60:
Direct labor cost (a) ……………………………….
Direct labor wage rate per hour (b) ……………
Total direct labor hours (a) รท (b) ………………
Assembly
$180
$20
9
Testing &
Packaging
$40
$20
2
The total manufacturing cost and unit product cost for Job N-60 is computed as follows:
Direct materials ($340 + $25) …………………………..
Direct labor ($180 + $40) ………………………………..
Assembly Department ($16 per DLH ร 9 DLHs) …….
Testing & Packaging Department ($12 per DLH ร 2
DLHs) ………………………………………………………..
Total manufacturing cost ………………………………….
Total manufacturing cost (a) …………………………….
Number of units in the job (b) …………………………..
Unit product cost (a) รท (b) ……………………………….
$144
24
$365
220
168
$753
$753
10
$75.30
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Managerial Accounting, 16th edition
Exercise 2-5 (10 minutes)
1 and 2.
The total direct labor-hours required in Finishing for Job 700:
Direct labor cost (a) ……………………………….
Direct labor wage rate per hour (b) ……………
Total direct labor hours (a) รท (b) ………………
Finishing
$128
$16
8
The total manufacturing cost and unit product cost for Job 700 is computed
as follows:
Direct materials ($410 + $60) …………………………..
Direct labor ($128 + $48) ………………………………..
Finishing Department ($18 per DLH ร 8 DLHs) ……..
Fabrication Department (110% ร $60) ……………….
Total manufacturing cost ………………………………….
Total manufacturing cost (a) …………………………….
Number of units in the job (b) …………………………..
Unit product cost (rounded) (a) รท (b) …………………
$144
66
$470
176
210
$856
$856
15
$57.07
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21
Exercise 2-6 (10 minutes)
1. The estimated total overhead cost is computed as follows:
Y = $680,000 + ($0.50 per DLH)(80,000 DLHs)
Estimated fixed overhead cost …………………………..
Estimated variable overhead cost: $0.50 per DLH ร
80,000 DLHs ……………………………………………….
Estimated total overhead cost …………………………..
$680,000
40,000
$720,000
The predetermined overhead rate is computed as follows:
Estimated total overhead (a) ………………….
Estimated total direct labor-hours (b) ………
Predetermined overhead rate (a) รท (b)…….
$720,000
80,000 DLHs
$9.00 per DLH
2. Total manufacturing cost assigned to Xavier:
Direct materials ……………………………………………….
Direct labor …………………………………………………….
Overhead applied ($9.00 per DLH ร 280 DLHs) ………
Total manufacturing cost ……………………………………
$38,000
21,000
2,520
$61,520
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Managerial Accounting, 16th edition
Exercise 2-7 (20 minutes)
1. Step 1: The total direct labor-hours required for Job Omega:
Direct labor cost (a) ……………………………….
Direct labor wage rate per hour (b) ……………
Total direct labor hours worked (a) รท (b) ……
$345,000
$15
23,000
Step 2: Derive the plantwide predetermined overhead rate:
Manufacturing overhead applied to Job
Omega (a) …………………………………………
Direct labor hours worked on Job Omega (b) .
Plantwide predetermined overhead rate (a)
รท (b) ………………………………………………..
$184,000
23,000
$8.00 per DLH
2. The job cost sheet for Job Alpha is derived as follows: (note that direct
materials is the plug figure)
Direct materials (plug figure) …………………………… $ 280,000
Direct labor (54,500 DLHs ร $15 per DLH) …………
817,500
Manufacturing overhead applied ($8 per DLH ร
54,500 DLHs) …………………………………………….
436,000
Total job cost (given) …………………………………….. $1,533,500
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23
Exercise 2-8 (10 minutes)
Direct material…………………………..
Direct labor ………………………………
Manufacturing overhead applied:
$12,000 ร 125% …………………….
Total manufacturing cost …………….
$10,000
12,000
Total manufacturing cost (a) ………..
Number of units in job (b) ……………
Unit product cost (a) รท (b) …………..
$37,000
1,000
$37
15,000
$37,000
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Managerial Accounting, 16th edition
Exercise 2-9 (30 minutes)
1. The estimated total overhead cost is computed as follows:
Y = $1,980,000 + ($2.00 per MH)(165,000 MHs)
Estimated fixed overhead ………………………………… $1,980,000
Estimated variable overhead: $2.00 per MH ร
165,000 MHs ………………………………………………
330,000
Estimated total overhead cost ………………………….. $2,310,000
The plantwide predetermined overhead rate is computed as follows:
Estimated total overhead (a) ………………….
Estimated total machine-hours (b) ………….
Predetermined overhead rate (a) รท (b)…….
$2,310,000
165,000 MHs
$14.00 per MH
2. Total manufacturing cost assigned to Job P90:
Direct materials ……………………………………………….
Direct labor …………………………………………………….
Overhead applied ($14 per MH ร 72 MHs) …………….
Total manufacturing cost ……………………………………
$1,150
830
1,008
$2,988
3a. Given that the company is operating at 50% of its manufacturing capacity, an argument can be made that the company should pursue any
business opportunities that generate a positive a contribution margin.
Based on the information provided, it appears that Job P90 does generate a positive contribution margin as shown below:
Sales………………………………………………………
Direct materials ………………………………………..
Direct labor ……………………………………………..
Variable overhead applied ($2.00 per MH ร 72
MHs) ……………………………………………………
Contribution margin …………………………………..
$1,150
830
$2,500
144 2,124
$ 376
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25
Exercise 2-9 (continued)
3b. The CFOโs argument is based on the assertion that Job P90 does not
generate enough revenue to cover the cost of the manufacturing resources that it consumes. However, given that the company is operating at 50% of its manufacturing capacity, the overhead costs applied
to Job P90 in requirement 2 do not represent the cost of the overhead
resources consumed making Job P90. In other words, the overhead
applied in requirement 2 includes a charge for used and unused capacity. This reality provides instructors an opportunity to introduce students to the main idea underlying Appendix 2B.
If we estimate a capacity-based overhead rate for the company and
apply overhead costs to Job P90 using this rate, it reveals that the revenue generated by the job ($2,500) is still insufficient to cover its manufacturing costs of $2,556, as computed below:
The estimated total overhead cost (at capacity) is computed as follows
(keep in mind that 165,000 MHs รท 50% = 330,000 MHs):
Y = $1,980,000 + ($2.00 per MH)(330,000 MHs)
Estimated fixed overhead ………………………………… $1,980,000
Estimated variable overhead: $2.00 per MH ร
330,000 MHs ………………………………………………
660,000
Estimated total overhead cost ………………………….. $2,640,000
The predetermined capacity-based overhead rate is computed as follows:
Estimated total overhead (a) ………………….
Estimated total machine-hours (b) ………….
Predetermined overhead rate (a) รท (b)…….
$2,640,000
330,000 MHs
$8.00 per MH
The total manufacturing cost assigned to Job P90 (using a capacity-based
overhead rate):
Direct materials ……………………………………………….
Direct labor …………………………………………………….
Overhead applied ($8 per MH ร 72 MHs) ………………
Total manufacturing cost ……………………………………
$1,150
830
576
$2,556
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Managerial Accounting, 16th edition
Exercise 2-10 (10 minutes)
1. Yes, overhead should be applied to Job W at year-end.
Because $6,000 of overhead was applied to Job V on the basis of
$8,000 of direct labor cost, the companyโs predetermined overhead rate
must be 75% of direct labor cost.
Job W direct labor cost (a) ……………………………………..
Predetermined overhead rate (b) …………………………….
Manufacturing overhead applied to Job W (a) ร (b) …….
$4,000
0.75
$3,000
2. The direct materials ($2,500), direct labor ($4,000), and applied overhead ($3,000) for Job W will be included in Work in Process on Sigma
Corporationโs balance sheet.
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27
Exercise 2-11 (30 minutes)
Note to the instructor: This exercise can be used as a launching pad for
a discussion of Appendix 2B.
1. The estimated total fixed manufacturing overhead can be computed using the data from any of quarters 1-3. For illustrative purposes, weโll use
the first quarter as follows:
Total overhead cost (First quarter) ……………………… $300,000
Variable cost element ($2.00 per unit ร 80,000 units) 160,000
Fixed cost element ………………………………………….. $140,000
2. The fixed and variable cost estimates from requirement 1 can be used
to estimate the total manufacturing overhead cost for the fourth quarter
as follows:
Y = $140,000 + ($2.00 per unit)(60,000 units)
Estimated fixed manufacturing overhead ………………
Estimated variable manufacturing overhead
$2.00 per unit ร 60,000 units…………………………..
Estimated total manufacturing overhead cost …………
$140,000
120,000
$260,000
The estimated unit product cost for the fourth quarter
is computed as follows:
Direct materials …………………………………………….
Direct labor ………………………………………………..
Manufacturing overhead ………………………………….
Total manufacturing costs (a) …………………………
Number of units to be produced (b) …………………
Unit product cost (rounded) (a) รท (b) ………………
$180,000
96,000
260,000
$536,000
60,000
$8.93
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Managerial Accounting, 16th edition
Exercise 2-11 (continued)
3. The fixed portion of the manufacturing overhead cost is causing the unit
product costs to fluctuate. The unit product cost increases as the level
of production decreases because the fixed overhead is spread over
fewer units.
4. The unit product cost can be stabilized by using a predetermined overhead rate that is based on expected activity for the entire year. The cost
formula created in requirement 1 can be adapted to compute the annual
predetermined overhead rate. The annual fixed manufacturing overhead
is $560,000 ($140,000 per quarter ร 4 quarters). The variable manufacturing overhead per unit is $2.00. The cost formula is as follows:
Y = $560,000 + ($2.00 per unit ร 200,000 units)
Estimated fixed manufacturing overhead ………………
Estimated variable manufacturing overhead
$2.00 per unit ร 200,000 units …………………………
Estimated total manufacturing overhead cost …………
$560,000
400,000
$960,000
The annual predetermined overhead rate is computed as follows:
Estimated total manufacturing overhead (a)
Estimated total units produced (b) …………..
Predetermined overhead rate (a) รท (b) …….
$960,000
200,000
$4.80 per unit
Using a predetermined overhead rate of $4.80 per unit, the unit product
costs would stabilize as shown below:
Direct materials……………..
Direct labor…………………..
Manufacturing overhead:
at $4.80 per unit …………
Total cost (a) ………………..
Number of units produced
(b) ……………………………
Unit product cost (a) รท (b)
First
Quarter
Second
Third
Fourth
$240,000 $120,000 $ 60,000 $180,000
128,000
64,000
32,000
96,000
384,000 192,000
96,000 288,000
$752,000 $376,000 $188,000 $564,000
80,000
$9.40
40,000
$9.40
20,000
$9.40
60,000
$9.40
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Solutions Manual, Chapter 2
29
Exercise 2-12 (20 minutes)
1. The estimated total manufacturing overhead cost is computed as follows:
Y = $650,000 + ($3.00 per MH)(100,000 MHs)
Estimated fixed manufacturing overhead ……………..
Estimated variable manufacturing overhead: $3.00
per MH ร 100,000 MHs …………………………………
Estimated total manufacturing overhead cost ……….
$650,000
300,000
$950,000
The plantwide predetermined overhead rate is computed as follows:
Estimated total manufacturing overhead (a)
Estimated total machine-hours (b) ………….
Predetermined overhead rate (a) รท (b)…….
$950,000
100,000 MHs
$9.50 per MH
2. Total manufacturing cost assigned to Job 400:
Direct materials ……………………………………………….
Direct labor …………………………………………………….
Manufacturing overhead applied ($9.50 per MH ร 40
MHs) …………………………………………………………..
Total manufacturing cost ……………………………………
$ 450
210
380
$1,040
3. The unit product cost of Job 400 is computed as follows:
Total manufacturing cost (a) ………………….
Number of units in the job (b)………………..
Unit product cost (a) รท (b) ……………………
$1,040
52
$20
4. The selling price per unit is computed as follows:
Total manufacturing cost ………………………
Markup (120% of manufacturing cost) …….
Selling price for Job 400 (a) …………………..
Number of units in Job 400 (b) ………………
Selling price per unit (a) รท (b) ……………….
$1,040
1,248
$2,288
52
$44
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30
Managerial Accounting, 16th edition
Exercise 2-12 (continued)
5. Possible critiques of Moodyโs pricing tactics include (1) relying on a
plantwide overhead rate to allocate overhead costs to jobs may distort
the cost base used for cost-plus pricing, (2) relying on an absorption approach may allocate unused capacity costs to jobs thereby distorting the
cost base for cost-plus pricing, and (3) relying on absorption cost-plus
pricing ignores the customersโ willingness to pay based on their perceived value of the product or service.
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Solutions Manual, Chapter 2
31
Exercise 2-13 (20 minutes)
1. Cutting Department:
The estimated total manufacturing overhead cost in the Cutting Department is computed as follows:
Y = $264,000 + ($2.00 per MH)(48,000 MHs)
Estimated fixed manufacturing overhead ………………
Estimated variable manufacturing overhead
$2.00 per MH ร 48,000 MHs ……………………………
Estimated total manufacturing overhead cost …………
$264,000
96,000
$360,000
The predetermined overhead rate is computed as follows:
Estimated total manufacturing overhead (a) .
Estimated total machine-hours (b) ……………
Predetermined overhead rate (a) รท (b)………
$360,000
48,000 MHs
$7.50 per MH
Finishing Department:
The estimated total manufacturing overhead cost in the Finishing Department is computed as follows:
Y = $366,000 + ($4.00 per DLH)(30,000 DLHs)
Estimated fixed manufacturing overhead ………………
Estimated variable manufacturing overhead
$4.00 per DLH ร 30,000 DLHs …………………………
Estimated total manufacturing overhead cost …………
$366,000
120,000
$486,000
The predetermined overhead rate is computed as follows:
Estimated total manufacturing overhead (a) ..
Estimated total direct labor-hours (b) …………
Predetermined overhead rate (a) รท (b)……….
$486,000
30,000 DLHs
$16.20 per DLH
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Managerial Accounting, 16th edition
Exercise 2-13 (continued)
2. Total manufacturing cost assigned to Job 203:
Direct materials ($500 + $310) …………………….
Direct labor ($108 + $360) ………………………….
Cutting Department (80 MHs ร $7.50 per MH) ..
Finishing Department (20 DLH ร $16.20 per
DLH) ……………………………………………………
Total manufacturing cost …………………………….
$600
324
$ 810
468
924
$2,202
3. Yes; if some jobs require a large amount of machine time and a small
amount of labor time, they would be charged substantially less overhead
cost if a plantwide overhead rate based on direct labor hours were used.
It appears, for example, that this would be true of Job 203 which required considerable machine time to complete, but required a relatively
small amount of labor hours.
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Solutions Manual, Chapter 2
33
Exercise 2-14 (10 minutes)
1. The estimated total overhead cost is computed as follows:
Y = $4,800,000 + ($0.05 per DL$)($8,000,000)
Estimated fixed overhead ………………………………… $4,800,000
Estimated variable overhead: $0.05 per DL$ ร
$8,000,000 DL$ …………………………………………..
400,000
Estimated total overhead cost ………………………….. $5,200,000
The predetermined overhead rate is computed as follows:
Estimated total overhead (a) ………………….
Estimated total direct labor-dollars (b) ……..
Predetermined overhead rate (a) รท (b)…….
$5,200,000
8,000,000 DL$
$0.65 per DL$
2. Total cost assigned to You Can Say That Again:
Direct materials ……………………………………………….
Direct labor …………………………………………………….
Overhead applied ($0.65 per DL$ ร $2,400,000) …….
Total job cost ………………………………………………….
$1,259,000
2,400,000
1,560,000
$5,219,000
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34
Managerial Accounting, 16th edition
Exercise 2-15 (45 minutes)
1a. Molding Department:
Using the equation Y = a + bX, the estimated total manufacturing overhead cost would be depicted as follows:
Y = $700,000 + ($3.00 per MH)(20,000 MHs)
Estimated fixed manufacturing overhead ……………….
Estimated variable manufacturing overhead: $3.00
per MH ร 20,000 MHs …………………………………….
Estimated total manufacturing overhead cost …………
$700,000
60,000
$760,000
The predetermined overhead rate is computed as follows:
Estimated total manufacturing overhead (a) .
Estimated total machine-hours (b) ……………
Predetermined overhead rate (a) รท (b) ……..
$760,000
20,000 MHs
$38.00 per MH
Fabrication Department:
Using the equation Y = a + bX, the estimated total manufacturing overhead cost would be depicted as follows:
Y = $210,000 + ($1.00 per MH)(30,000 MHs)
Estimated fixed manufacturing overhead ……………….
Estimated variable manufacturing overhead: $1.00
per MH ร 30,000 MHs …………………………………….
Estimated total manufacturing overhead cost …………
$210,000
30,000
$240,000
The predetermined overhead rate is computed as follows:
Estimated total manufacturing overhead (a) .
Estimated total direct labor-hours (b) ………..
Predetermined overhead rate (a) รท (b) ……..
$240,000
30,000 MHs
$8.00 per MH
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Solutions Manual, Chapter 2
35
Exercise 2-15 (continued)
1b. Total manufacturing costs assigned to Jobs D-70 and C-200:
D-70
Direct materials ………………………………………… $ 700,000
Direct labor ………………………………………………
360,000
Molding Department (14,000 MHs ร $38 per
MH; 6,000 MHs ร $38 per MH)…………………..
532,000
Fabrication Department (6,000 MH ร $8 per
MH; 24,000 MH ร $8 per MH) ……………………
48,000
Total manufacturing cost ……………………………. $1,640,000
1c. Bid prices for Jobs D-70 and C-200:
Total manufacturing cost (a) …………………..
Markup percentage (b) ………………………….
Bid price (a) ร (b) ………………………………..
D-70
$1,640,000
150%
$2,460,000
C-200
$ 550,000
400,000
228,000
192,000
$1,370,000
C-200
$1,370,000
150%
$2,055,000
1d.
Because the company has no beginning or ending inventories and
only Jobs D-70 and C-200 were started, completed, and sold during
the year, the cost of goods sold is equal to the sum of the manufacturing costs assigned to both jobs of $3,010,000 (= $1,640,000 +
$1,370,000).
2a.
The plantwide overhead rate of $20.00 per machine-hour is calculated by combining the estimated manufacturing overhead costs
computed in requirement 1a for Molding and Fabrication ($760,000 +
$240,000 = $1,000,000) and then dividing by the estimated total machine-hours (20,000 + 30,000 = 50,000):
Estimated total manufacturing overhead (a) … $1,000,000
Estimated total machine-hours (MHs) (b)……..
50,000 MHs
Predetermined overhead rate (a) รท (b)………..
$20.00 per MH
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Managerial Accounting, 17th edition
Exercise 2-15 (continued)
2b. Total manufacturing cost assigned to Jobs D-70 and C-200:
Direct materials …………………………………..
Direct labor ………………………………………..
Manufacturing overhead applied ($20.00
per MH ร 20,000 MHs; $20.00 per MH ร
30,000 MHs) …………………………………….
Total manufacturing cost ……………………….
2c. Bid prices for Jobs D-70 and C-200:
Total manufacturing cost (a) ………………….
Markup percentage (b) …………………………
Bid price (a) ร (b) ……………………………….
2d.
D-70
C-200
$ 700,000 $ 550,000
360,000
400,000
400,000
600,000
$1,460,000 $1,550,000
D-70
C-200
$1,460,000 $1,550,000
150%
150%
$2,190,000 $2,325,000
Because the company has no beginning or ending inventories and
only Jobs D-70 and C-200 were started, completed, and sold during
the year, the cost of goods sold is equal to the sum of the manufacturing costs assigned to both jobs of $3,010,000 (= $1,460,000 +
$1,550,000).
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Solutions Manual, Chapter 2
37
Exercise 2-15 (continued)
3. The plantwide and departmental approaches for applying manufacturing
overhead costs to products produce identical cost of goods sold figures.
However, these two approaches lead to different bid prices for Jobs D70 and C-200. The bid price for Job D-70 using the departmental approach is $270,000 (= $2,460,000 โ $2,190,000) higher than the bid
price using the plantwide approach. This is because the departmental
cost pools reflect the fact that Job D-70 is an intensive user of Molding
machine-hours. The overhead rate in Molding ($38) is much higher than
the overhead rate in Fabrication ($8). Conversely, Job C-200 is an intensive user of the less-expensive Fabrication machine-hours, so its departmental bid price is $270,000 lower than the plantwide bid price.
Whether a job-order costing system relies on plantwide overhead cost
allocation or departmental overhead cost allocation does not usually
have an important impact on the accuracy of the cost of goods sold reported for the company as a whole. However, it can have a huge impact
on internal decisions with respect to individual jobs, such as establishing
bid prices for those jobs. Job-order costing systems that rely on plantwide overhead cost allocation are commonly used to value ending inventories and cost of goods sold for external reporting purposes, but
they can create costing inaccuracies for individual jobs that adversely influence internal decision making.
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38
Managerial Accounting, 17th Edition
Problem 2-16 (30 minutes)
1a. The estimated total overhead cost is computed as follows:
Y = $784,000 + ($2.00 per DLH)(140,000 DLHs)
Estimated fixed manufacturing overhead …………….. $ 784,000
Estimated variable manufacturing overhead: $2.00
per DLH ร 140,000 DLH ………………………………..
280,000
Estimated total manufacturing overhead cost ………. $1,064,000
The predetermined overhead rate is computed as follows:
Estimated total manufacturing overhead (a)
Estimated total direct labor-hours (b) ………
Predetermined overhead rate (a) รท (b)…….
$1,064,000
140,000 DLH
$7.60 per DLH
1b. Total manufacturing cost assigned to Job 550:
Direct materials ……………………………………………….
Direct labor …………………………………………………….
Manufacturing overhead applied ($7.60 per DLH ร
15 DLH) ………………………………………………………
Total manufacturing cost of Job 550 …………………….
1c. The selling price for Job 550 is computed as follows:
Total manufacturing cost ……………………………………
Markup (200%) ……………………………………………….
Selling price ……………………………………………………
$175
225
114
$514
Job 550
$ 514
1,028
$1,542
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Solutions Manual, Chapter 2
39
Problem 2-16 (continued)
2a. The estimated total overhead cost is computed as follows:
Y = $784,000 + ($4.00 per MH)(70,000 MHs)
Estimated fixed manufacturing overhead …………….. $ 784,000
Estimated variable manufacturing overhead: $4.00
per MH ร 70,000 MHs …………………………………..
280,000
Estimated total manufacturing overhead cost ………. $1,064,000
The predetermined overhead rate is computed as follows:
Estimated total manufacturing overhead (a) .
Estimated total machine-hours (b)…………….
Predetermined overhead rate (a) รท (b) ………
$1,064,000
70,000 MHs
$15.20 per MH
2b. Total manufacturing cost assigned to Job 550:
Direct materials ……………………………………………….
Direct labor …………………………………………………….
Manufacturing overhead applied ($15.20 per MH ร 5
MH) ……………………………………………………………
Total manufacturing cost of Job 550 …………………….
2c. The selling price for Job 550 is computed as follows:
Total manufacturing cost ……………………………………
Markup (200%) ……………………………………………….
Selling price ……………………………………………………
$175
225
76
$476
Job 550
$ 476
952
$1,428
3. The price for Job 550 using direct labor-hours as the allocation base
($1,542) is $114 higher than the price derived using machine-hours as
the allocation base ($1,428). If machine-hours is the better choice for
an allocation base, then if Landen continues to use direct labor-hours as
its overhead allocation base, it will overprice jobs that are intensive users of direct labor-hours and non-intensive users of machine-hours. In a
bidding situation, Landen will tend to lose bids on jobs such as Job 550
if its competitors have more accurate cost accounting systems.
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Managerial Accounting, 17th Edition
Problem 2-17 (20 minutes)
1. The predetermined plantwide overhead rate is computed as follows:
Estimated manufacturing overhead (a) …….
Estimated total direct labor-hours (b) ………
Predetermined overhead rate (a) รท (b)…….
$1,400,000
80,000 DLHs
$17.50 per DLH
The overhead applied to Job Bravo is computed as follows:
Direct labor-hours worked on Bravo (a) ……
Predetermined overhead rate (b) ……………
Overhead applied to Bravo (a) ร (b) ……….
14
$17.50 per DLH
$245
2. The predetermined overhead rate in Assembly is computed as follows:
Estimated manufacturing overhead (a) …….
Estimated total direct labor-hours (b) ………
Predetermined overhead rate (a) รท (b)…….
$600,000
50,000 DLHs
$12.00 per DLH
The predetermined overhead rate in Fabrication is computed as follows:
Estimated manufacturing overhead (a) …….
Estimated total machine-hours (b) ………….
Predetermined overhead rate (a) รท (b)…….
$800,000
100,000 MHs
$8.00 per MH
The overhead applied to Job Bravo is computed as follows:
Quantity of allocation base used (a)
Predetermined overhead rate (b) ….
Overhead applied to Bravo (a) ร (b)
Assembly Fabrication
11
6
$12.00
$8.00
$132
$48
Total
$180
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Solutions Manual, Chapter 2
41
Problem 2-18 (15 minutes)
1. The estimated total overhead cost is computed as follows:
Y = $350,000 + ($1.00 per DLH)(20,000 DLHs)
Estimated fixed overhead …………………………………
Estimated variable overhead: $1.00 per DLH ร
20,000 DLHs ……………………………………………….
Estimated total overhead cost …………………………..
$350,000
20,000
$370,000
The predetermined overhead rate is computed as follows:
Estimated total overhead (a) ……………………
Estimated total direct labor-hours (b) ………..
Predetermined overhead rate (a) รท (b) ………
$370,000
20,000 DLHs
$18.50 per DLH
2. Total manufacturing cost assigned to Mr. Wilkes:
Direct materials ……………………………………………….
Direct labor …………………………………………………….
Overhead applied ($18.50 per DLH ร 6 DLH) …………
Total cost assigned to Mr. Wilkes …………………………
3. The price charged to Mr. Wilkes is computed as follows:
Total manufacturing cost ……………………………………
Markup (40%) …………………………………………………
Selling price ……………………………………………………
$590
109
111
$810
Job Wilkes
$ 810
324
$1,134
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Managerial Accounting, 17th Edition
Problem 2-19 (20 minutes)
1. Molding Department:
The estimated total manufacturing overhead cost in the Molding Department is computed as follows:
Y = $497,000 + $1.50 per MH ร 70,000 MHs
Estimated fixed manufacturing overhead ………………
Estimated variable manufacturing overhead:
$1.50 per MH ร 70,000 MHs ……………………………
Estimated total manufacturing overhead cost …………
$497,000
105,000
$602,000
The predetermined overhead rate is computed as follows:
Estimated total manufacturing overhead (a) .
Estimated total machine-hours (b) ……………
Predetermined overhead rate (a) รท (b) ……..
$602,000
70,000 MHs
$8.60 per MH
Painting Department:
The estimated total manufacturing overhead cost in the Painting Department is computed as follows:
Y = $615,000 + $2.00 per DLH ร 60,000 DLHs
Estimated fixed manufacturing overhead ………………
Estimated variable manufacturing overhead:
$2.00 per DLH ร 60,000 DLHs …………………………
Estimated total manufacturing overhead cost …………
$615,000
120,000
$735,000
The predetermined overhead rate is computed as follows:
Estimated total manufacturing overhead (a) .
Estimated total DLHs (b) ………………………..
Predetermined overhead rate (a) รท (b) ……..
$735,000
60,000 DLHs
$12.25 per DLH
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43
Problem 2-19 (continued)
2. Molding Department overhead applied:
110 machine-hours ร $8.60 per machine-hour
Painting Department overhead applied:
84 direct labor-hours ร $12.25 per DLH ……….
Total overhead cost………………………………………
$ 946
1,029
$1,975
3. Total cost of Job 205:
Direct materials ……………………..
Direct labor …………………………..
Manufacturing overhead applied..
Total manufacturing cost …………
Molding
Dept.
$ 770
525
946
$2,241
Unit product cost for Job 205:
Total manufacturing cost (a) ………………….
Number of units in the job (b)………………..
Unit product cost (a) รท (b) ……………………
Painting
Dept.
$1,332
1,470
1,029
$3,831
Total
$2,102
1,995
1,975
$6,072
$6,072
50 units
$121.44 per unit
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44
Managerial Accounting, 17th Edition
Problem 2-20 (45 minutes)
1a. The overhead rate in ICU is computed as follows:
Y = $3,200,000 + ($236 per patient-day)(2,000 patient-days)
Estimated fixed overhead………………………………
Estimated variable overhead:
$236 per patient-day ร 2,000 patient-days……..
Estimated total overhead cost ………………………..
$3,200,000
472,000
$3,672,000
The predetermined overhead rate is computed as follows:
Estimated total overhead (a) ……………
Estimated total patient-days (b) ………..
Predetermined overhead rate (a) รท (b)
$3,672,000
2,000 patient-days
$1,836 per patient-day
The overhead rate in Other is computed as follows:
Y = $14,000,000 + ($96 per patient-day)(18,000 patient-days)
Estimated fixed overhead ………………………………
Estimated variable overhead:
$96 per patient-day ร 18,000 patient-days ……..
Estimated total overhead cost …………………………
$14,000,000
1,728,000
$15,728,000
The predetermined overhead rate is computed as follows:
Estimated total overhead (a) ……………
Estimated total patient-days (b) ………..
Predetermined overhead rate
(rounded) (a) รท (b) ……………………..
$15,728,000
18,000 patient-days
$873.78 per patient-day
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Solutions Manual, Chapter 2
45
Problem 2-20 (continued)
1b. The total cost assigned to Patient A:
Direct materials …………………………………………
$ 4,500
Direct labor ………………………………………………
25,000
ICU ($1,836 per patient-day ร 0 patient-days)… $
0
Other ($873.78 per patient day ร 14 patientdays) (rounded to nearest dollar) ………………. 12,233 12,233
Total cost assigned to Patient A ……………………
$41,733
The total cost assigned to Patient B:
Direct materials …………………………………………
$ 6,200
Direct labor ………………………………………………
36,000
ICU ($1,836 per patient-day ร 7 patient-days)… $12,852
Other ($873.78 per patient day ร 14 patientdays) (rounded to nearest dollar) ………………. 12,233 25,085
Total cost assigned to Patient B ……………………
$67,285
2a. The plantwide overhead rate of $970.00 per patient-day is calculated
by combining the estimated manufacturing overhead costs computed in
requirement 1a for ICU and Other ($3,672,000 + $15,728,000 =
$19,400,000) and then dividing by the estimated total patient-days
(2,000 + 18,000 = 20,000):
Estimated total overhead (a) ……………
Estimated total patient-days (b) ……….
Predetermined overhead rate (a) รท (b)
$19,400,000
20,000 patient-days
$970 per patient-day
2b. The total cost assign to Patients A and B is computed as follows:
Direct materials ………………………………..
Direct labor ……………………………………..
Overhead applied ($970 per patient-day
ร 14 patient days; ($970 per patientday ร 21 patient days) ……………………
Total cost ……………………………………….
Patient A Patient B
$ 4,500
25,000
$ 6,200
36,000
13,580
$43,080
20,370
$62,570
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Managerial Accounting, 17th Edition
Problem 2-20 (continued)
3. Relying on just one predetermined overhead rate overlooks the fact that
some departments are more intensive users of overhead resources than
others. As the name implies, patients in the ICU require more intensive
(and expensive) care than other patients in other departments. Broadly
speaking, relying on only one overhead rate, will most likely overcost
patients with less severe illnesses and undercost patients with more severe illnesses.
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47
Problem 2-21 (30 minutes)
1. The plantwide predetermined overhead rate is computed as follows:
Estimated manufacturing overhead (a) …….
Estimated total direct labor-hours (b) ………
Predetermined overhead rate (a) รท (b)…….
$600,000
60,000 DLHs
$10 per DLH
The overhead applied to Job A is computed as follows:
Direct labor-hours worked on Job A (a) ……
Predetermined overhead rate (b) ……………
Overhead applied to Job A (a) ร (b) ………..
15
$10 per DLH
$150
The overhead applied to Job B is computed as follows:
Direct labor-hours worked on Job B (a) ……
Predetermined overhead rate (b) ……………
Overhead applied to Job B (a) ร (b) ………..
9
$10 per DLH
$90
2. The predetermined overhead rate in Machining is computed as follows:
Estimated manufacturing overhead (a) …….
Estimated total machine-hours (b) ………….
Predetermined overhead rate (a) รท (b)…….
$500,000
50,000 MHs
$10 per MH
The predetermined overhead rate in Assembly is computed as follows:
Estimated manufacturing overhead (a) …….
Estimated total direct labor-hours (b) ………
Predetermined overhead rate (a) รท (b)…….
$100,000
50,000 DLHs
$2 per DLH
The overhead applied to Job A is computed as follows:
Quantity of allocation base used (a) .
Predetermined overhead rate (b) …..
Overhead applied to Job A (a) ร (b) .
Machining
11
$10
$110
Assembly
10
$2
$20
Total
$130
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Managerial Accounting, 17th Edition
Problem 2-21 (continued)
The overhead applied to Job B is computed as follows:
Quantity of allocation base used (a) .
Predetermined overhead rate (b) …..
Overhead applied to Job B (a) ร (b) .
Machining
12
$10
$120
Assembly
5
$2
$10
Total
$130
3. The plantwide approach will overcost jobs that are intensive users of Assembly and minimal users of Machining. Conversely, it will undercost
products that are intensive users of Machining and minimal users of Assembly. These cost distortions will adversely impact the companyโs pricing process. Jobs that get overcosted will have selling prices that are
greater than the prices that would be established using departmental
overhead allocation. Jobs that get undercosted will have selling prices
that are less than the prices that would be established using departmental overhead allocation.
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Solutions Manual, Chapter 2
49
Case 2-22 (60 minutes)
1. a.
Predetermined = Estimated total manufacturing overhead cost
overhead rate
Estimated total amount of the allocation base
=
$840,000
= 140% of direct
labor cost
$600,000 direct labor cost
b. The manufacturing overhead cost applied to the Koopers job is computed as follows:
$9,500 ร 140% = $13,300
2. a.
Estimated manufacturing
overhead cost (a) ………
Estimated direct labor
cost (b)……………………
Predetermined overhead
rate (a) รท (b) ……………
Fabricating Machining
Assembly
Department Department Department
$350,000
$400,000
$ 90,000
$200,000
$100,000
$300,000
175%
400%
30%
b. Fabricating Department:
$2,800 ร 175%………………………..
Machining Department:
$500 ร 400% ………………………….
Assembly Department:
$6,200 ร 30% …………………………
Total applied overhead …………………
$4,900
2,000
1,860
$8,760
3. The bulk of the labor cost on the Koopers job is in the Assembly Department, which incurs very little overhead cost. The department has an
overhead rate of only 30% of direct labor cost as compared to much
higher rates in the other two departments. Therefore, as shown above,
use of departmental overhead rates results in a relatively small amount
of overhead cost being charged to the job.
Use of a plantwide overhead rate in effect redistributes overhead costs
proportionately between the three departments (at 140% of direct labor
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Managerial Accounting, 17th Edition
Case 2-22 (continued)
cost) and results in a large amount of overhead cost being charged to
the Koopers job, as shown in Part 1. This may explain why the company
bid too high and lost the job. Too much overhead cost was assigned to
the job for the kind of work being done on the job in the plant.
On jobs that require a large amount of labor in the Fabricating or Machining Departments the opposite will be true, and the company will
tend to charge too little overhead cost to the jobs if a plantwide overhead rate is being used. The reason is that the plantwide overhead rate
(140%) is much lower than the rates would be if these departments
were considered separately.
4. The companyโs bid was:
Direct materials …………………………………….
Direct labor ………………………………………….
Manufacturing overhead applied (see requirement 1b) …………………………………………..
Total manufacturing cost ………………………..
Bidding rate …………………………………………
Total bid price ………………………………………
$ 4,600
9,500
13,300
$27,400
ร 1.5
$41,100
If departmental overhead rates had been used, the bid would have
been:
Direct materials …………………………………….
Direct labor ………………………………………….
Manufacturing overhead applied (see requirement 2b) …………………………………………..
Total manufacturing cost ………………………..
Bidding rate …………………………………………
Total bid price ………………………………………
$ 4,600
9,500
8,760
$22,860
ร 1.5
$34,290
Note that if departmental overhead rates had been used, Teledex Company would have been the low bidder on the Koopers job because the
competitor underbid Teledex by only $2,000.
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Solutions Manual, Chapter 2
51
Appendix 2A
Activity-Based Absorption Costing
Exercise 2A-1 (20 minutes)
1. Activity rates are computed as follows:
Activity Cost Pool
Machine setups ……
Special processing ..
General factory ……
(a)
Estimated
Overhead
Cost
(b)
Expected
Activity
$72,000
400 setups
$200,000 5,000 MHs
$816,000 24,000 DLHs
(a) รท (b)
Activity
Rate
$180 per setup
$40 per MH
$34 per DLH
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52
Managerial Accounting, 17th Edition
Exercise 2A-1 (continued)
2. Overhead is assigned to the two products as follows:
Hubs:
Activity Cost Pool
Machine setups …………………
Special processing ……………..
General factory …………………
Total……………………………….
(a)
Activity Rate
$180 per setup
$40 per MH
$34 per DLH
(b)
Activity
100 setups
5,000 MHs
8,000 DLHs
(a) ร (b)
ABC Cost
(a)
Activity Rate
(b)
Activity
(a) ร (b)
ABC Cost
$ 18,000
200,000
272,000
$490,000
Sprockets:
Activity Cost Pool
Machine setups …………………
Special processing ……………..
General factory …………………
Total……………………………….
$180 per setup
300 setups
$40 per MH
0 MHs
$34 per DLH 16,000 DLHs
$ 54,000
0
544,000
$598,000
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Solutions Manual, Appendix 2A
53
Exercise 2A-1 (continued)
2. Each productโs unit product cost is computed as follows:
Direct materials……………………………..
Direct labor:
$15 per DLH ร 0.80 DLHs per unit ….
$15 per DLH ร 0.40 DLHs per unit ….
Manufacturing overhead:
$490,000 รท 10,000 units……………….
$598,000 รท 40,000 units……………….
Unit product cost …………………………..
Hubs
$32.00
12.00
49.00
$93.00
Sprockets
$18.00
6.00
14.95
$38.95
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54
Managerial Accounting, 17th Edition
Exercise 2A-2 (45 minutes)
1. The unit product costs under the company’s traditional costing system
would be computed as follows:
Rascon
Number of units produced (a) …………………. 20,000
Direct labor-hours per unit (b)………………….
0.40
Total direct labor-hours (a) ร (b) …………….. 8,000
Total manufacturing overhead (a) …………….
Total direct labor-hours (b) ……………………..
Predetermined overhead rate (a) รท (b) ………
Parcel
80,000
0.20
16,000
Total
24,000
$576,000
24,000 DLHs
$24.00 per DLH
Rascon
Direct materials ……………………………………. $13.00
Direct labor ………………………………………….
6.00
Manufacturing overhead:
0.40 DLH per unit ร $24.00 per DLH……….
9.60
0.20 DLH per unit ร $24.00 per DLH……….
Unit product cost ………………………………….. $28.60
Parcel
$22.00
3.00
4.80
$29.80
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Solutions Manual, Appendix 2A
55
Exercise 2A-2 (continued)
2. The unit product costs using activity-based absorption costing can be computed as follows:
Activity Cost Pool
Labor related ………..
Engineering design …
Estimated
Overhead
Cost*
$288,000
$288,000
$576,000
(b)
Expected Activity
(a) รท (b)
Activity Rate
24,000 direct labor-hours $12.00 per direct labor-hour
6,000 engineering-hours $48.00 per engineering-hour
*The total estimated manufacturing overhead cost of $576,000 is split evenly between the two activity cost pools.
Manufacturing overhead is assigned to the two products as follows:
Rascon:
Activity Cost Pool
Labor related ………
Engineering design .
Total………………….
(a)
Activity Rate
$12 per DLH
$48 per engineering-hour
(b)
Activity
8,000 DLHs
3,000 engineering-hours
(a) ร (b)
ABC Cost
(a)
Activity Rate
(b)
Activity
(a) ร (b)
ABC Cost
$ 96,000
144,000
$240,000
Parcel:
Activity Cost Pool
Labor related ………
Engineering design .
Total………………….
$12 per DLH
$48 per engineering-hour
16,000 DLHs
3,000 engineering-hours
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Managerial Accounting, 17th Edition
$192,000
144,000
$336,000
Exercise 2A-2 (continued)
The unit product costs combine direct materials, direct labor, and overhead costs:
Direct materials ………………………………………
Direct labor ……………………………………………
Manufacturing overhead ($240,000 รท 20,000
units; $336,000 รท 80,000 units) ………………
Unit product cost …………………………………….
Rascon
Parcel
12.00
$31.00
4.20
$29.20
$13.00
6.00
$22.00
3.00
3. The unit product cost of the high-volume product, Parcel, declines under
the activity-based approach, whereas the unit product cost of the lowvolume product, Rascon, increases. This occurs because half of the
overhead is applied on the basis of engineering design hours instead of
direct labor-hours. When the overhead was applied on the basis of direct labor-hours, most of the overhead was applied to the high-volume
product. However, when the overhead is applied on the basis of engineering-hours, more of the overhead cost is shifted over to the low-volume product. Engineering-hours is a product-level activity, so the higher
the volume, the lower the unit cost and the lower the volume, the
higher the unit cost.
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Solutions Manual, Appendix 2A
57
Exercise 2A-3 (45 minutes)
1. The predetermined overhead rate is computed as follows:
Predetermined = $325,000 = $6.50 per DLH
overhead rate
50,000 DLHs
The unit product costs under the companyโs traditional costing system
are computed as follows:
Direct materials ……………………………………………….
Direct labor …………………………………………………….
Manufacturing overhead (1.0 DLH ร $6.50 per DLH;
0.8 DLH ร $6.50 per DLH) ………………………………
Unit product cost……………………………………………..
Deluxe Standard
$72.00 $53.00
19.00 15.20
6.50
5.20
$97.50 $73.40
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Managerial Accounting, 17th Edition
Exercise 2A-3 (continued)
2. The activity rates are computed as follows:
Activity Cost Pool
Supporting direct labor…
Batch setups ……………..
Safety testing …………….
(a)
Estimated
(b)
Overhead
Total
Cost
Expected Activity
$200,000
$75,000
$50,000
(a) รท (b)
Activity Rate
50,000 DLHs
$4 per DLH
300 setups $250 per setup
100 tests
$500 per test
Manufacturing overhead is assigned to the two products as follows:
Deluxe Product:
Activity Cost Pool
Supporting direct labor ……….
Batch setups …………………….
Safety testing ……………………
Total……………………………….
(a)
Activity Rate
(b)
Activity
(a) ร (b)
ABC Cost
(a)
Activity Rate
(b)
Activity
(a) ร (b)
ABC Cost
$4 per DLH 10,000 DLHs
$250 per setup
200 setups
$500 per test
30 tests
$ 40,000
50,000
15,000
$105,000
Standard Product:
Activity Cost Pool
Supporting direct labor ……….
Batch setups …………………….
Safety testing ……………………
Total……………………………….
$4 per DLH 40,000 DLHs
$250 per setup
100 setups
$500 per test
70 tests
$160,000
25,000
35,000
$220,000
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Solutions Manual, Appendix 2A
59
Exercise 2A-3 (continued)
Activity-based absorption costing unit product costs are computed as
follows:
Direct materials …………………………………………..
Direct labor ………………………………………………..
Manufacturing overhead ($105,000 รท 10,000
units; $220,000 รท 50,000 units) …………………..
Unit product cost …………………………………………
Deluxe
Standard
10.50
$101.50
4.40
$72.60
$ 72.00
19.00
$53.00
15.20
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60
Managerial Accounting, 17th Edition
Problem 2A-4 (60 minutes)
1. a. When direct labor-hours are used to apply overhead cost to products,
the companyโs predetermined overhead rate would be:
Predetermined = Manufacturing overhead cost
overhead rate
Direct labor-hours
=
$1,800,000
= $50 per DLH
36,000 DLHs
b.
Direct materials ……………………………………
Direct labor:
$20 per hour ร 1.8 hours and 0.9 hours …
Manufacturing overhead:
$50 per hour ร 1.8 hours and 0.9 hours …
Total unit product cost …………………………..
Model
X200 X99
$ 72
$ 50
36
18
90
45
$198 $113
2. a. Predetermined overhead rates for the activity cost pools:
Activity Cost Pool
(a)
Estimated
Total Cost
(b)
Estimated
Total Activity
Machine setups ……
$360,000
150 setups
Special processing .
$180,000 12,000 MHs
General factory …… $1,260,000 36,000 DLHs
(a) รท (b)
Activity Rate
$2,400 per setup
$15 per MH
$35 per DLH
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Solutions Manual, Appendix 2A
61
Problem 2A-4 (continued)
The overhead applied to each product can be determined as follows:
Model X200
Activity Cost Pool
(a)
Activity Rate
Activity Cost Pool
(a)
Activity Rate
Machine setups ……………………………… $2,400 per setup
Special processing …………………………..
$15 per MH
General factory …………………………….
$35 per DLH
Total manufacturing overhead cost (a)
Number of units produced (b) ………….
Overhead cost per unit (a) รท (b) ………
(b)
Activity
(a) ร (b)
ABC Cost
(b)
Activity
(a) ร (b)
ABC Cost
50 setups
12,000 MHs
9,000 DLHs
$120,000
180,000
315,000
$615,000
5,000
$123.00
Model X99
Machine setups ……………………………… $2,400 per setup
Special processing …………………………..
$15 per MH
General factory …………………………….
$35 per DLH
Total manufacturing overhead cost (a)
Number of units produced (b) ………….
Overhead cost per unit (a) รท (b) ………
100 setups
0 MHs
27,000 DLHs
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Managerial Accounting, 17th Edition
$ 240,000
0
945,000
$1,185,000
30,000
$39.50
Problem 2A-4 (continued)
b. The unit product cost of each model under the activity-based approach would be computed as follows:
Direct materials ……………………………….
Direct labor:
$20 per DLH ร 1.8 DLHs, 0.9 DLHs ……
Manufacturing overhead (above) …………
Total unit product cost ………………………
Model
X200
X99
$ 72.00
$50.00
36.00
18.00
123.00
39.50
$231.00 $107.50
Comparing these unit cost figures with the unit costs in Part 1(b), we
find that the unit product cost for Model X200 has increased from
$198 to $231, and the unit product cost for Model X99 has decreased
from $113 to $107.50.
3. It is especially important to note that, even under activity-based costing,
70% of the companyโs overhead costs continue to be applied to products on the basis of direct labor-hours:
Machine setups (number of setups) … $ 360,000
Special processing (machine-hours)…
180,000
General factory (direct labor-hours) …
1,260,000
Total overhead cost …………………….. $1,800,000
20 %
10
70
100 %
Thus, the shift in overhead cost from the high-volume product (Model
X99) to the low-volume product (Model X200) occurred as a result of reassigning only 30% (=20% + 10%) of the companyโs overhead costs.
The increase in unit product cost for Model X200 can be explained as
follows: First, where possible, overhead costs have been traced to the
products rather than being lumped together and spread uniformly over
production. Therefore, the special processing costs, which are traceable
to Model X200, have all been assigned to Model X200 and none assigned to Model X99 under the activity-based approach. It is common in
industry to have some products that require special handling or special
processing of some type. This is especially true in modern factories that
produce a variety of products. Activity-based costing provides a vehicle
for assigning these costs to the appropriate products.
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Solutions Manual, Appendix 2A
63
Problem 2A-4 (continued)
Second, the costs associated with the batch-level activity (machine setups) have also been assigned to the specific products to which they relate. These costs have been assigned according to the number of setups
completed for each product. However, because a batch-level activity is
involved, another factor affecting unit costs comes into play. That factor
is batch size. Some products are produced in large batches and some
are produced in small batches. The smaller the batch, the higher the per
unit cost of the batch activity. In the case at hand, the data can be analyzed as follows:
Model X200:
Cost to complete one setup (see requirement 2a)……..
Number of units processed per setup
(5,000 units per setup รท 50 setups = 100 units) …….
100 units (b)
Setup cost per unit (a) รท (b) ………………………………..
$24
Model X99:
Cost to complete one setup (see requirement 2a)……..
Number of units processed per setup
(30,000 units per setup รท 100 setups = 300 units) …
Setup cost per unit (a) รท (b) ………………………………..
$2,400 (a)
$2,400 (a)
300 units (b)
$8
Thus, the cost per unit for setups is three times as great for Model
X200, the low-volume product, as it is for Model X99, the high-volume
product. Such differences in cost are obscured when direct labor-hours
(or any other volume measure) is used as a basis for applying overhead
cost to products.
In sum, overhead cost has shifted from the high-volume product to the
low-volume product as a result of more appropriately assigning some
costs to the products on the basis of the activities involved, rather than
on the basis of direct labor-hours.
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Managerial Accounting, 17th Edition
Problem 2A-5 (60 minutes)
1. The companyโs estimated direct labor-hours can be computed as follows:
Deluxe model: 5,000 units ร 2 DLHs per unit ….
Regular model: 40,000 units ร 1 DLH per unit …
Total direct labor hours ………………………………
10,000 DLHs
40,000 DLHs
50,000 DLHs
Using just direct labor-hours as the base, the predetermined overhead
rate would be:
Estimated overhead cost
$900,000
=
= $18 per DLH
Estimated direct labor-hours
50,000 DLHs
The unit product cost of each model using the companyโs traditional
costing system would be:
Direct materials………………….
Direct labor……………………….
Manufacturing overhead:
$18 per DLH ร 2 DLHs………
$18 per DLH ร 1 DLH ……….
Total unit product cost ………..
Deluxe
$ 40
38
36
$114
Regular
$25
19
18
$62
2. Predetermined overhead rates are computed below:
Activity Cost Pool
Purchasing…………….
Processing …………….
Scrap/rework …………
Shipping ……………….
(a)
Estimated
Overhead
Cost
(b)
Expected
Activity
(a) รท (b)
Activity Rate
$204,000 600 purchase or- $340 per purchase
ders
order
$182,000 35,000 machine- $5.20 per
hours
machine-hour
$379,000 2,000 orders
$189.50 per order
$135,000 900 shipments $150 per shipment
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Solutions Manual, Appendix 2A
65
Problem 2A-5 (continued)
3. a. The overhead applied to each product can be determined as follows:
The Deluxe Model
Activity Cost Pool
(a)
Activity Rate
(b)
Activity
(a) ร (b)
ABC Cost
(a)
Activity Rate
(b)
Activity
(a) ร (b)
ABC Cost
Purchasing……………………………
$340 per PO
200 POs
Processing ……………………………
$5.20 per MH
20,000 MHs
Scrap/rework ……………………….. $189.50 per order
1,000 tests
Shipping ………………………………
$150 per shipment
250 shipments
Total overhead cost (a) …………..
Number of units produced (b) …..
Overhead cost per unit (a) รท (b) .
$ 68,000
104,000
189,500
37,500
$399,000
5,000
$79.80
The Regular Model
Activity Cost Pool
Purchasing……………………………
$340 per PO
400 POs
Processing ……………………………
$5.20 per MH
15,000 MHs
Scrap/rework ……………………….. $189.50 per order
1,000 orders
Shipping ………………………………
$150 per shipment
650 shipments
Total overhead cost (a) …………..
Number of units produced (b) …..
Overhead cost per unit (a) รท (b) .
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Managerial Accounting, 17th Edition
$136,000
78,000
189,500
97,500
$501,000
40,000
$12.53
Problem 2A-5 (continued)
b. Using activity-based absorption costing, the unit product cost of each
model would be:
Direct materials ……………………..
Direct labor …………………………..
Manufacturing overhead (above) .
Total unit product cost…………….
Deluxe
$ 40.00
38.00
79.80
$157.80
Regular
$25.00
19.00
12.53
$56.53
4. Unit costs appear to be distorted as a result of using direct labor-hours
as the base for assigning overhead cost to products. Although the
deluxe model requires twice as much labor time as the regular model, it
still is not being assigned enough overhead cost, as shown in the analysis in part 3(a).
When the companyโs overhead costs are analyzed on an activities basis,
it appears that the deluxe model is more expensive to manufacture than
the company realizes. Note that the deluxe model accounts for a majority of the machine-hours worked, even though it accounts for only 20%
(= 10,000 DLHs รท 50,000 DLHs) of the companyโs direct labor-hours.
Also, it requires just as many scrap/rework orders as the regular model,
and scrap/rework orders are very costly to the company.
When activity-based absorption costing is used and the companyโs
transactions are analyzed by product, the overhead cost increases for
the deluxe model from $36.00 per unit to $79.80 per unit. This suggests
that less than half the overhead cost is being assigned to the deluxe
model that ought to be assigned, and unit costs for the deluxe model
are understated. If these costs are being used as a basis for pricing,
then the selling price for the deluxe model may be too low. This may be
the reason why profits have been steadily declining over the last several
years. It may also be the reason why sales of the deluxe model have
been increasing rapidly.
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Solutions Manual, Appendix 2A
67
Case 2A-6 (90 minutes)
1. a. The predetermined overhead rate would be computed as follows:
Expected manufacturing overhead cost
$2,200,000
=
Estimated direct labor-hours
50,000 DLHs
= $44 per DLH
b. The unit product cost per pound, using the companyโs present costing
system, would be:
Direct materials (given) ………
Direct labor (given) ……………
Manufacturing overhead:
0.02 DLH ร $44 per DLH…..
Total unit product cost………..
Kenya
Dark
Viet
Select
0.88
$5.72
0.88
$4.12
$4.50
0.34
$2.90
0.34
2. a. Overhead rates for each activity cost pool:
Activity Cost
Pools
(a)
Estimated
Overhead
Costs
(b)
Expected
Activity
Purchasing ……….. $560,000
2,000 orders
Material handling .. $193,000
1,000 setups
Quality control ……
$90,000
500 batches
Roasting…………… $1,045,000 95,000 hours
Blending…………… $192,000 32,000 hours
Packaging ………… $120,000 24,000 hours
(a) รท (b)
Activity Rate
$280 per order
$193 per setup
$180 per batch
$11 per hour
$6 per hour
$5 per hour
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Managerial Accounting, 17th Edition
Case 2A-6 (continued)
Before we can determine the amount of overhead cost to assign to
the products, we must first determine the activity for each of the
products in the six activity centers. The necessary computations follow:
Number of purchase orders:
Kenya Dark: 80,000 pounds รท 20,000 pounds per order = 4 orders
Viet Select: 4,000 pounds รท 500 pounds per order = 8 orders
Number of setups:
Kenya Dark: (80,000 pounds รท 5,000 pounds per batch) ร 2 setups
per batch = 32 setups
Viet Select: (4,000 pounds รท 500 pounds per batch) ร 2 setups per
batch = 16 setups
Number of batches:
Kenya Dark: 80,000 pounds รท 5,000 pounds per batch = 16 batches
Viet Select: 4,000 pounds รท 500 pounds per batch = 8 batches
Roasting hours:
Kenya Dark: 1.5 hours ร (80,000 pounds รท 100 pounds) = 1,200
hours
Viet Select: 1.5 hours ร (4,000 pounds รท 100 pounds) = 60 hours
Blending hours:
Kenya Dark: 0.5 hour ร (80,000 pounds รท 100 pounds) = 400 hours
Viet Select: 0.5 hour ร (4,000 pounds รท 100 pounds) = 20 hours
Packaging hours:
Kenya Dark: 0.3 hour ร (80,000 pounds รท 100 pounds) = 240 hours
Viet Select: 0.3 hour ร (4,000 pounds รท 100 pounds) = 12 hours
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Solutions Manual, Appendix 2A
69
Case 2A-6 (continued)
The overhead applied to each product can be determined as follows:
Kenya Dark
Activity Cost Pool
Purchasing ……………
Material handling ……
Quality control ……….
Roasting ……………….
Blending ……………….
Packaging……………..
Total ……………………
Viet Select
Activity Cost Pool
Purchasing ……………
Material handling ……
Quality control ……….
Roasting ……………….
Blending ……………….
Packaging……………..
Total ……………………
Activity Rate
Expected Activity
Amount
Activity Rate
Expected Activity
Amount
$280 per order
4 orders
$193 per setup
32 setups
$180 per batch
16 batches
$11 per roasting hour
1,200 roasting hours
$6 per blending hour
400 blending hours
$5 per packaging hour
240 packaging hours
$280 per order
$193 per setup
$180 per batch
$11 per roasting hour
$6 per blending hour
$5 per packaging hour
8 orders
16 setups
8 batches
60 roasting hours
20 blending hours
12 packaging hours
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Managerial Accounting, 17th Edition
$ 1,120
6,176
2,880
13,200
2,400
1,200
$26,976
$2,240
3,088
1,440
660
120
60
$7,608
Case 2A-6 (continued)
b. According to the activity-based absorption costing system, the manufacturing overhead cost per pound is:
Total overhead cost assigned (above) (a) …
Number of pounds manufactured (b) ……….
Cost per pound (a) รท (b) ………………………
Kenya
Dark
$26,976
80,000
$0.34
Viet
Select
$7,608
4,000
$1.90
c. The unit product costs according to the activity-based absorption
costing system are:
Direct materials (given) …………
Direct labor (given) ………………
Manufacturing overhead ………..
Total unit product cost…………..
Kenya
Dark
$4.50
0.34
0.34
$5.18
Viet
Select
$2.90
0.34
1.90
$5.14
3. MEMO TO THE PRESIDENT: Analysis of JSIโs data shows that several
activities other than direct labor drive the companyโs manufacturing
overhead costs. These activities include purchase orders issued, number
of setups for material processing, and number of batches processed.
The companyโs present costing system, which relies on direct labor time
as the sole basis for assigning overhead cost to products, significantly
undercosts low-volume products, such as the Viet Select coffee, and significantly overcosts high-volume products, such as our Kenya Dark coffee.
An implication of the activity-based approach is that our low-volume
products may not be covering the costs of the manufacturing resources
they use. For example, Viet Select coffee is currently priced at $5.15 per
pound ($4.12 plus 25% markup), which is only one cent higher than its
activity-based cost of $5.14 per pound. Under our present costing and
pricing system, our high-volume products, such as our Kenya Dark coffee, may be subsidizing our low-volume products. Some adjustments in
prices may be required.
ยฉ The McGraw-Hill Companies, Inc., 2021. All rights reserved.
Solutions Manual, Appendix 2A
71
Case 2A-6 (continued)
ALTERNATIVE SOLUTION:
Most students will compute the manufacturing overhead cost per pound
of the two coffees as shown above. However, the per pound cost can
also be computed as shown below. This alternative approach provides
additional insight into the data and facilitates emphasis of some points
made in the chapter.
Purchasing ………..
Material handling..
Quality control …..
Roasting …………..
Blending …………..
Packaging …………
Total ……………….
Kenya Dark
Per Pound
Total
(รท 80,000)
$ 1,120
6,176
2,880
13,200
2,400
1,200
$26,976
$0.014
0.077
0.036
0.165
0.030
0.015
$0.337
Viet Select
Per Pound
Total
(รท 4,000)
$2,240
3,088
1,440
660
120
60
$7,608
$0.560
0.772
0.360
0.165
0.030
0.015
$1.902
Note particularly how batch size impacts unit cost data. For example, the
cost to the company to process a purchase order is $280, regardless of
how many pounds of coffee are contained in the order. Twenty thousand
pounds of the Kenya Dark coffee are purchased per order (with four orders
per year), and just 500 pounds of the Viet Select coffee are purchased per
order (with eight orders per year). Thus, the purchase order cost per
pound for the Kenya Dark coffee is just 1.4 cents, whereas the purchase
order cost per pound for the Viet Select coffee is 40 times as much, or 56
cents. As stated in the text, this is one reason why unit costs of low-volume products, such as the Viet Select coffee, increase so dramatically
when activity-based costing is used.
ยฉ The McGraw-Hill Companies, Inc., 2021. All rights reserved.
72
Managerial Accounting, 17th Edition
Appendix 2B
The Predetermined Overhead Rate
and Capacity
Exercise 2B-1 (20 minutes)
1. There were no beginning or ending inventories, so all of the jobs were
started, finished, and sold during the month. Therefore, cost of goods
sold equals the total manufacturing cost. We can verify that by computing the cost of goods sold as shown below:
Manufacturing costs charged to jobs:
Direct materials …………………………………….
Direct labor (all variable)…………………………
Manufacturing overhead applied
(150 hours ร $82 hour) ……………………….
Total manufacturing cost charged to jobs ……..
Add: Beginning work in process inventory …….
Deduct: Ending work in process inventory …….
Cost of goods manufactured ………………………
Beginning finished goods inventory ……………..
Add: Cost of goods manufactured ……………….
Goods available for sale …………………………….
Deduct: Ending finished goods inventory ………
Cost of goods sold …………………………………..
$ 5,350
8,860
12,300
26,510
0
26,510
0
$26,510
$
0
26,510
26,510
0
$26,510
At the end of the month, the cost of unused capacity is computed as
shown below:
Amount of the allocation base at capacity (a) .
Actual amount of the allocation base (b) ……..
Unused capacity in hours (a) โ (b) ……………..
180 hours
150 hours
30 hours
Unused capacity in hours (a) …………………….
Predetermined overhead rate (b) ……………….
Cost of unused capacity (a) ร (b) ………………
30 hours
$82 per hour
$2,460
ยฉ The McGraw-Hill Companies, Inc., 2021. All rights reserved.
Solutions Manual, Appendix 2B
73
Exercise 2B-1 (continued)
Consequently, the income statement, prepared for internal management
purposes, would appear as follows:
Wixis Cabinets
Income Statement
Sales …………………………………………….
Cost of goods sold (see above) …………..
Gross margin ………………………………….
Other expenses:
Cost of unused capacity ………………….
Selling and administrative expenses ….
Net operating income ……………………….
$43,740
26,510
17,230
$2,460
8,180
10,640
$ 6,590
2. When the predetermined overhead rate is based on capacity, unused
capacity costs ordinarily arise because manufacturing overhead usually
contains significant amounts of fixed costs. Suppose, for example, that
manufacturing overhead includes $10,000 of fixed costs and the capacity is 100 hours. Then the portion of the predetermined overhead rate
that represents fixed costs is $10,000 divided by 100 hours or $100 per
hour. Because the plant is seldom (if ever) operated beyond capacity,
less than $10,000 will ordinarily be applied to jobs. In other words, $100
per hour multiplied by something less than 100 hours always yields less
than $10,000. Therefore, unused capacity costs will arise.
ยฉ The McGraw-Hill Companies, Inc., 2021. All rights reserved.
74
Managerial Accounting, 17th Edition
Exercise 2B-2 (30 minutes)
1. The overhead applied to Mrs. Brinksiโs account would be computed as
follows:
Last Year This Year
Estimated overhead cost (a) ……………………….. $310,500 $310,500
Estimated professional staff hours (b) ……………
4,600
4,500
Predetermined overhead rate (a) รท (b) ………….
$67.50
$69.00
Professional staff hours charged to Ms. Brinksiโs
account…………………………………………………
ร 2.5
ร 2.5
Overhead applied to Ms. Brinksiโs account ……… $168.75 $172.50
2. If the actual overhead cost and the actual professional hours charged
turn out to be exactly as estimated there would be no cost of unused
capacity.
Last Year This Year
Predetermined overhead rate (see above) ………
$67.50
$69.00
Actual professional staff hours charged to clientsโ accounts (by assumption) ………………….
ร 4,600 ร 4,500
Overhead applied ……………………………………… $310,500 $310,500
Actual overhead cost incurred (by assumption) ..
310,500 310,500
Cost of unused capacity……………………………… $
0 $
0
3. If the predetermined overhead rate is based on the professional staff
hours available, the computations would be:
Last Year This Year
Estimated overhead cost (a)…………………………. $310,500 $310,500
Professional staff hours available (b) ………………
6,000
6,000
Predetermined overhead rate (a) รท (b) ……………
$51.75
$51.75
Professional staff hours charged to Ms. Brinksiโs
account ………………………………………………….
ร 2.5
ร 2.5
Overhead applied to Ms. Brinksiโs account ……….. $129.38 $129.38
ยฉ The McGraw-Hill Companies, Inc., 2021. All rights reserved.
Solutions Manual, Appendix 2B
75
Exercise 2B-2 (continued)
4. If the actual overhead cost and the actual professional staff hours
charged to clientsโ accounts turn out to be exactly as estimated, the cost
of unused capacity would be calculated as shown below.
Amount of the allocation base at capacity (a) ……
Actual amount of the allocation base (b) ………….
Unused capacity in hours (a) โ (b)………………….
Unused capacity in hours (a) …………………………
Predetermined overhead rate (b) ……………………
Cost of unused capacity (a) ร (b) …………………..
Last Year This Year
6,000
4,600
1,400
6,000
4,500
1,500
1,400
$51.75
$72,450
1,500
$51.75
$77,625
Proponents of this method of computing predetermined overhead rates
suggest that the cost of unused capacity should be treated as a period
expense that is disclosed separately on the income statement.
ยฉ The McGraw-Hill Companies, Inc., 2021. All rights reserved.
76
Managerial Accounting, 17th Edition
Problem 2B-3 (60 minutes)
1. The overhead applied to the Verde Consulting job is computed as follows:
Estimated overhead cost (a) ………………………
Estimated hours of service demanded (b) ……..
Predetermined overhead rate (a) รท (b) ………..
Verde Consultingโs service-hours required …….
Overhead applied to Verde Consulting …………
Last
Year
This
Year
$160,000 $160,000
1,000
800
$160
$200
ร 40
ร 40
$6,400
$8,000
2. If the predetermined overhead rate is based on the hours of service
available at capacity, the computations would be:
Estimated overhead cost at capacity (a) ……….
Hours of service available at capacity (b) ………
Predetermined overhead rate (a) รท (b) ………..
Verde Consultingโs service-hours required …….
Overhead applied to Verde Consulting …………
Last Year This Year
$160,000 $160,000
1,600
1,600
$100
$100
ร 40
ร 40
$4,000
$4,000
3. The cost of unused capacity for both years is computed as follows:
Amount of the allocation base at capacity (a) ……
Actual amount of the allocation base (b) ………….
Unused capacity in hours (a) โ (b)………………….
Unused capacity in hours (a) …………………………
Predetermined overhead rate (b) ……………………
Cost of unused capacity (a) ร (b) …………………..
Last Year This Year
1,600
750
850
1,600
500
1,100
850
1,100
$100
$100
$85,000 $110,000
Proponents of this method suggest that the cost of unused capacity should
be treated as a period expense that is disclosed separately on the income
statement.
ยฉ The McGraw-Hill Companies, Inc., 2021. All rights reserved.
Solutions Manual, Appendix 2B
77
Problem 2B-3 (continued)
4. Platinum Web Designโs fundamental problem is the competition that is
drawing customers away. The company must do something to counter
this threat or it will ultimately face failure.
Under the conventional approach in which the predetermined overhead
rate is based on the estimated hours of service demanded, the apparent
cost of the Verde Consulting job has increased between last year and
this year. That happens because the company is losing business to competitors and therefore the companyโs fixed overhead costs are being
spread over a smaller base. This results in costs that seem to increase
as the volume declines. Under this method, Platinumโs managers may
be misled into thinking that the problem is rising costs and they may be
tempted to raise prices to recover their apparently increasing costs. This
would almost surely accelerate the companyโs decline.
Under the alternative approach, the overhead cost of the Verde Consulting job is stable at $4,000 and lower than the costs reported under the
conventional method. Under the conventional method, managers may
be misled into thinking that they are actually losing money on the Verde
Consulting job and they might refuse such jobs in the futureโanother
sure road to disaster. This is much less likely to happen if the lower cost
of $4,000 is reported. It is true that the cost of unused capacity under
the alternative approach is pretty large and is growing. However, if it is
properly labeled as the cost of unused capacity, management is much
more likely to draw the appropriate conclusion that the real problem is
the loss of business (and therefore more idle capacity) rather than an
increase in costs.
While basing the predetermined rate on hours of service available at capacity rather than on estimated hours of service demanded will not
solve the companyโs basic problems, at least this method is less likely to
send managers misleading signals.
ยฉ The McGraw-Hill Companies, Inc., 2021. All rights reserved.
78
Managerial Accounting, 17th Edition
Case 2B-4 (120 minutes)
1a.
Vault Hard Drives, Inc.
Income Statement: Traditional Approach
Sales (150,000 units ร $60 per unit)…………
Cost of goods sold:
Variable manufacturing
(150,000 units ร $15 per unit) ……………
Manufacturing overhead applied
(150,000 units ร $25 per unit) ……………
Gross margin ……………………………………….
Selling and administrative expenses ………….
Net operating income…………………………….
1b.
$9,000,000
$2,250,000
3,750,000
6,000,000
3,000,000
2,700,000
$ 300,000
Vault Hard Drives, Inc.
Income Statement: New Approach
Sales (150,000 units ร $60 per unit) ……………….
$9,000,000
Cost of goods sold:
Variable manufacturing
(150,000 units ร $15 per unit) ………………….. $2,250,000
Manufacturing overhead applied
(150,000 units ร $20 per unit) ………………….. 3,000,000 5,250,000
Gross margin ……………………………………………..
3,750,000
Other expenses:
Cost of unused capacity [(200,000 units โ
160,000 units) ร $20 per unit] …………………..
800,000
Selling and administrative expenses ………………
2,700,000
Net operating income …………………………………..
$ 250,000
2. Net operating income is more volatile under the new method than under
the old method (because the income drops from $500,000 to $250,000
under the new method, whereas it only drops to $300,000 under the old
method). This occurs because the reported profit per unit sold is $5
higher under the new method, the difference in the predetermined overhead rates. Therefore, swings in sales in either direction will have a
more dramatic impact on reported profits under the new method.
ยฉ The McGraw-Hill Companies, Inc., 2021. All rights reserved.
Solutions Manual, Appendix 2B
79
Case 2B-4 (continued)
3. Under the traditional approach, all of the companyโs fixed manufacturing
overhead must be included in either cost of goods sold (in the income
statement) or ending inventory (in the balance sheet) at the end of an
accounting period. For each additional unit produced but not sold, it enables the company to include an extra $25 of fixed overhead in ending
inventory, which in turn lowers the companyโs cost of goods sold by
$25.
Since the company has net operating income of $300,000 when it produces 160,000 units and sells 150,000 units, it needs to produce enough
additional units, beyond 160,000 units, to raise net operating by
$200,000 to achieve a desired profit of $500,000. The following computations show that the company would need to produce 8,000 more units
(or 168,000 units in total) to achieve net operating income of $500,000.
Additional net operating income required to attain target
net operating income ($500,000 โ $300,000) (a) ………
Fixed overhead applied to each unit of additional inventory (b) ……………………………………………………………
Additional output required to attain target net operating
income (a) รท (b) ………………………………………………..
Estimated number of units produced …………………………
Actual number of units to be produced ………………………
$200,000
$25 per unit
8,000 units
160,000 units
168,000 units
* The answer of 168,000 units assumes that the overapplied overhead of
$200,000 is closed entirely to Cost of Goods Sold.
ยฉ The McGraw-Hill Companies, Inc., 2021. All rights reserved.
80
Managerial Accounting, 17th Edition
Case 2B-4 (continued)
4.
Under the new approach, all of the companyโs fixed manufacturing
overhead must be included in either cost of goods sold (in the income
statement), ending inventory (in the balance sheet), or cost of unused
capacity (in the income statement) at the end of an accounting period.
For each additional unit produced but not sold, it enables the company
to include an extra $20 of fixed overhead in ending inventory, which in
turn lowers the companyโs cost of unused capacity by $20.
Since the company has net operating income of $250,000 when it produces 160,000 units and sells 150,000 units, it needs to produce
enough additional units, beyond 160,000 units, to raise net operating
by $250,000 to achieve a desired profit of $500,000. The computations
below show that the company would need to produce 12,500 more
units (or 172,500 units in total) to achieve net operating income of
$500,000.
Additional net operating income required to attain target
net operating income ($500,000 โ $250,000) (a) ………..
Fixed overhead applied to each unit of additional inventory (b) ……………………………………………………………..
Additional output required to attain target net operating
income (a) รท (b)………………………………………………….
Estimated number of units produced ………………………….
Actual number of units to be produced ……………………….
5.
$250,000
$20 per unit
12,500 units
160,000 units
172,500 units
The โhat trickโ is a bit harder to perform under the new method. Under the old method, the target net operating income can be attained
by producing an additional 8,000 units. Under the new method, the
production would have to be increased by 12,500 units. Again, this is a
consequence of the difference in predetermined overhead rates. The
drop in sales has had a more dramatic effect on net operating income
under the new method as noted above in part (4). In addition, because the predetermined overhead rate is lower under the new
method, producing excess inventories has less of an effect per unit on
net operating income than under the traditional method and hence
more excess production is required.
ยฉ The McGraw-Hill Companies, Inc., 2021. All rights reserved.
Solutions Manual, Appendix 2B
81
Case 2B-4 (continued)
6. One can argue that whether the โhat trickโ is unethical depends on the
level of sophistication of the owners of the company and others who
read the financial statements. If they understand the effects of excess
production on net operating income and are not misled, it can be argued that the hat trick is not unethical. However, if that were the case,
there does not seem to be any reason to use the hat trick. Why would
the owners want to tie up working capital in inventories just to artificially attain a target net operating income for the period? And increasing
the rate of production toward the end of the year is likely to increase
overhead costs due to overtime and other costs. Building up inventories
all at once is very likely to be much more expensive than increasing the
rate of production uniformly throughout the year. In this case, we assumed that there would not be an increase in overhead costs due to the
additional production, but that is likely not to be true.
In our opinion, the hat trick is unethical unless there is a good reason
for increasing production other than to artificially boost the current periodโs net operating income. It is certainly unethical if the purpose is to
fool users of financial reports such as owners and creditors or if the purpose is to meet targets so that bonuses will be paid to top managers.
ยฉ The McGraw-Hill Companies, Inc., 2021. All rights reserved.
82
Managerial Accounting, 17th Edition
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