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'.

Example Input: Problem: population of a city in 20004 was 1000000 . if in 2005 there isan increment of 15 % , in 2006 there is a decrements of 35 % and in 2007 there is an increment of 30 % , then find the population of city atthe end of the year 2007 
Options: a ) 976374 , b ) 971750 , c ) 980241 , d ) 2356677 , e ) 1083875
Example Output: b

Example Input: Problem: in an office in singapore there are 60 % female employees . 50 % of all the male employees are computer literate . if there are total 62 % employees computer literate out of total 1100 employees , then the no . of female employees who are computer literate ? 
Options: a ) 462 , b ) 674 , c ) 672 , d ) 960 , e ) none
Example Output: a

Example Input: Problem: a , b and c invested rs . 6300 , rs . 4200 and rs . 10500 respectively , in a partnership business . find the share of a in profit of rs . 13600 after a year ? 
Options: a ) 3630 , b ) 9232 , c ) 8828 , d ) 2387 , e ) 4080
Example Output:
e