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'.

[EX Q]: Problem: a merchant purchased a jacket for $ 54 and then determined a selling price that equalled the purchase price of the jacket plus a markup that was 40 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 ) $ 18
[EX A]: e

[EX Q]: Problem: a man invested rs . 14400 in rs . 100 shares of a company at 20 % premium . if his company declares 5 % dividend at the end of the year , then how much does he get ? 
Options: a ) 234 , b ) 600 , c ) 388 , d ) 278 , e ) 129
[EX A]: b

[EX Q]: Problem: √ 7 percent of 7 √ 7 = 
Options: a ) 0.55 , b ) 0.96 , c ) 0.1 , d ) 0.45 , e ) 0.6
[EX A]:
d