In this task, you need to answer the given multiple-choice question on the gain. Gain is the value by which to multiply the input. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Q: Problem: find number which is 60 % less than 120 . 
Options: a ) 18 , b ) 22 , c ) 28 , d ) 48 , e ) 98

A: d
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Q: Problem: a merchant purchased a jacket for $ 60 and then determined a selling price that equalled the purchase price of the jacket plus a markup that was 25 percent of the selling price . during a sale , the merchant discounted the selling price by 20 percent and sold the jacket . what was the merchant ’ s gross profit on this sale ? 
Options: a ) $ 0 , b ) $ 3 , c ) $ 4 , d ) $ 12 , e ) $ 15

A: c
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Q: Problem: if a large pizza has a radius that is 40 % larger that that of a medium pizza , what is the percent increase in area between a medium and a large pizza ? 
Options: a ) 40 % , b ) 80 % , c ) 96 % , d ) 112 % , e ) 124 %

A:
c
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