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: 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

Ex Output:
c


Ex Input:
Problem: a sells a bicycle to b and makes a profit of 25 % . b sells the same bicycle to c at a profit of 25 % . if the final s . p . of the bicycle was rs . 225 , find out the cost price of the bicycle for a . 
Options: a ) 237 , b ) 126 , c ) 971 , d ) 611 , e ) 144

Ex Output:
e


Ex Input:
Problem: if the selling price of 80 articles is equal to the cost price of 40 articles , then the loss or gain percent is : 
Options: a ) 30 % , b ) 35 % , c ) 50 % , d ) 55 % , e ) 40 %

Ex Output:

c