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: p and q invested in a business . the profit earned was divided in the ratio 4 : 5 . if p invested rs 52000 , the amount invested by q is 
Options: a ) 30000 , b ) 50000 , c ) 40000 , d ) 20000 , e ) 65000
Example Output: e

Example Input: Problem: the workforce of company x is 60 % female . the company hired 24 additional male workers , and as a result , the percent of female workers dropped to 55 % . how many employees did the company have after hiring the additional male workers ? 
Options: a ) 160 , b ) 220 , c ) 288 , d ) 360 , e ) 420
Example Output: c

Example Input: Problem: a is a working partner and b is a sleeping partner in a business . a puts in 20,000 and b 90,000 . a gets 20 % of the profit for managing the business , and the rest is divided in proportion to their capitals . find the share of b in profit of 11000 . 
Options: a ) 3500 , b ) 7200 , c ) 6800 , d ) 4800 , e ) none of these
Example Output:
b