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: a sum fetched a total simple interest of $ 4061.25 at the rate of 9 p . c . p . a . in 5 years . what is the sum ? 
Options: a ) $ 8829 , b ) $ 2840 , c ) $ 6578 , d ) $ 7782 , e ) $ 8926

Ex Output:
e


Ex Input:
Problem: what is the value of â ˆ š 25 % ? 
Options: a ) 10 % , b ) 50 % , c ) 25 % , d ) 45 % , e ) 68 %

Ex Output:
b


Ex Input:
Problem: 60 is subtracted from 50 % of a number , the result is 10 . find the number ? 
Options: a ) 150 , b ) 120 , c ) 266 , d ) 288 , e ) 271

Ex Output:

b