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Question : Using the mid-point formula found page 116, determine whether the : 6422

Using the mid-point formula found on page 116, determine whether the following goods are ELASTIC, INELASTIC or UNIT ELASTIC: Price quantity demanded $12 50 , $10 70 ,$8 80, $6 95 , 1. price goes from 12 to 10 2. price goes from 10 to 8 3. price goes from 8 to 6 4.