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 true discount on a bill of rs . 2460 is rs . 360 . what is the banker ' s discount ? 
Options: a ) rs . 432 , b ) rs . 422 , c ) rs . 412 , d ) rs . 442 , e ) none of these

Ex Output:
b


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: the banker ' s gain on a sum due 6 years hence at 12 % per annum is rs . 612 . what is the banker ' s discount ? 
Options: a ) 1240 , b ) 1120 , c ) 1190 , d ) 1462 , e ) none of these

Ex Output:

d