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: a is a working partner and b is a sleeping partner in the business . a puts in rs . 3500 and b rs . 1500 , a receives 10 % of the profit for managing the business the rest being divided in proportion of their capitals . out of a total profit of rs . 9600 , money received by a is ? 
Options: a ) 1978 , b ) 2707 , c ) 7728 , d ) 7008 , e ) 7291

Ex Output:
d


Ex Input:
Problem: there are 100 employees in a room . 99 % are managers . how many managers must leave the room to bring down the percentage of manager to 98 % ? 
Options: a ) 1 , b ) 2 , c ) 50 , d ) 49 , e ) 97

Ex Output:
c


Ex Input:
Problem: the cost price of a radio is rs . 1500 and it was sold for rs . 1230 , find the loss % ? 
Options: a ) 18 % , b ) 19 % , c ) 68 % , d ) 19 % , e ) 38 %

Ex Output:

a