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'.

Example Input: Problem: in town p , 60 percent of the population are employed , and 42 percent of the population are employed males . what percent of the employed people in town p are females ? 
Options: a ) 20 % , b ) 25 % , c ) 30 % , d ) 35 % , e ) 40 %
Example Output: c

Example Input: Problem: by selling 12 pencils for a rupee a man loses 12 % . how many for a rupee should he sell in order to gain 18 % ? 
Options: a ) 12 , b ) 9 , c ) 10 , d ) 89 , e ) 81
Example Output: a

Example Input: Problem: on june 1 a bicycle dealer noted that the number of bicycles in stock had decreased by 4 for each of the past 5 months . if the stock continues to decrease at the same rate for the rest of the year , how many fewer bicycles will be in stock on november 1 than were in stock on january 1 ? 
Options: a ) 8 , b ) 12 , c ) 40 , d ) 32 , e ) 36
Example Output:
c