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 Q]: Problem: the banker ' s gain on a sum due 6 years hence at 12 % per annum is rs . 900 . what is the banker ' s discount ? 
Options: a ) 1240 , b ) 1120 , c ) 1190 , d ) 2150 , e ) none of these
[EX A]: d

[EX Q]: Problem: company p had 15 percent more employees in december than it had in january . if company p had 480 employees in december , how many employees did it have in january ? 
Options: a ) 391 , b ) 417 , c ) 410 , d ) 423 , e ) 445
[EX A]: b

[EX Q]: Problem: in a public show 62 % of the seats were filled . if there were 600 seats in the hall , how many seats were vacant ? 
Options: a ) 100 , b ) 110 , c ) 120 , d ) 140 , e ) 228
[EX A]:
e