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: a candidate got 33 % of the votes polled and he lost to his rival by 833 votes . how many votes were cast ? 
Options: a ) 2250 , b ) 2450 , c ) 2650 , d ) 2850 , e ) 3050

Output: b


Input: Consider Input: Problem: if a lends rs . 2000 to b at 10 % per annum and b lends the same sum to c at 11.5 % per annum then the gain of b in a period of 3 years is ? 
Options: a ) 90 , b ) 122.5 , c ) 132.5 , d ) 114.5 , e ) 212.5

Output: a


Input: Consider Input: Problem: i sold a book at a profit of 10 % . had i sold it for $ 120 more , 15 % would have been gained . find the cost price ? 
Options: a ) $ 2000 , b ) $ 2500 , c ) $ 2400 , d ) $ 3120 , e ) $ 1540


Output: c