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'.

Input: Consider Input: Problem: the profits of qrs company rose 10 % from march to april , then dropped 20 % from april to may , then rose 50 % from may to june . what was the percent increase for the whole quarter , from march to june ? 
Options: a ) 15 % , b ) 32 % , c ) 40 % , d ) 62 % , e ) 80 %

Output: b


Input: Consider Input: Problem: a candidate got 35 % of the votes polled and he lost to his rival by 2430 votes . how many votes were cast ? 
Options: a ) 7500 , b ) 3388 , c ) 8100 , d ) 2888 , e ) 2661

Output: c


Input: Consider Input: Problem: a candidate got 35 % of the votes polled and he lost to his rival by 2460 votes . how many votes were cast ? 
Options: a ) 7500 , b ) 3388 , c ) 2665 , d ) 8200 , e ) 2661


Output: d