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: exactly 5 % of the reporters for a certain wire service cover local politics in country x . if 30 % of the reporters who cover politics for the wire service do not cover local politics in country x , what percent of the reporters for the wire service do not cover politics ?
Options: a ) 20 % , b ) 42 % , c ) 44 % , d ) 92 % , e ) 90 %
Example Output: d

Example Input: Problem: the sale price sarees listed for rs . 400 after successive discount is 30 % and 20 % is ?
Options: a ) 297 , b ) 879 , c ) 342 , d ) 762 , e ) 224
Example Output: e

Example Input: Problem: the true discount on a bill of rs . 2260 is rs . 360 . what is the banker ' s discount ?
Options: a ) rs . 428 , b ) rs . 422 , c ) rs . 412 , d ) rs . 442 , e ) none of these
Example Output:
a