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 Input:
Problem: ramu bought an old car for rs . 48000 . he spent rs . 14000 on repairs and sold it for rs . 72900 . what is his profit percent ? 
Options: a ) 16 % , b ) 17.5 % , c ) 18.2 % , d ) 58.5 % , e ) 13 %

Ex Output:
b


Ex Input:
Problem: john makes $ 60 a week from his job . he earns a raise and now makes $ 110 a week . what is the % increase ? 
Options: a ) 16 % , b ) 83.33 % , c ) 17 % , d ) 17.61 % , e ) 17.56 %

Ex Output:
b


Ex Input:
Problem: on increasing the price of t . v . sets by 50 % , their sale decreases by 20 % . what is the effect on the revenue receipts of the shop ? 
Options: a ) 4 , b ) 5 , c ) 56 , d ) 20 , e ) 7

Ex Output:

d