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: 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

Output: c

Input: Consider Input: Problem: a bowl of fruit contains 10 apples and 23 oranges . how many oranges must be removed so that 50 % of the pieces of fruit in the bowl will be apples ?
Options: a ) 3 , b ) 13 , c ) 14 , d ) 17 , e ) 20

Output: b

Input: Consider Input: Problem: what is 0.02 percent of 12,356 ?
Options: a ) 0.247 , b ) 2.47 , c ) 24.7 , d ) 0.0247 , e ) 0.00247
Output: b