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 4034.25 at the rate of 9 % . p . a . in 5 years . what is the sum ? 
Options: a ) 5768 , b ) 8925 , c ) 8965 , d ) 6474 , e ) 8723

Ex Output:
c


Ex Input:
Problem: what will be the compound interest on a sum of rs . 26,000 after 3 years at the rate of 12 % p . a . ? 
Options: a ) s . 10123.77 , b ) s . 10123.21 , c ) s . 10123.20 , d ) s . 10123.28 , e ) s . 10528.12

Ex Output:
e


Ex Input:
Problem: a money lender finds that due to a fall in the annual rate of interest from 8 % to 7 1 / 5 % his yearly income diminishes by rs . 61.50 . his capital is 
Options: a ) 22.378 , b ) 37.78 , c ) 76.88 , d ) 27.888 , e ) 12.771

Ex Output:

c