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: what sum of money will produce rs . 70 as simple interest in 4 years at 4 1 / 2 percent ? 
Options: a ) 263 , b ) 500 , c ) 388.9 , d ) 368 , e ) 339

Output: c


Input: Consider Input: Problem: by selling 16 pencils for a rupee a man loses 28 % . how many for a rupee should he sell in order to gain 28 % ? 
Options: a ) 8 , b ) 9 , c ) 7 , d ) 6 , e ) 4

Output: b


Input: Consider Input: Problem: a statue is being carved by a sculptor . the original piece of marble weighed 190 kg . in the first week 25 percent is cut away . in the second week 15 percent of the remainder is cut away . in the third week the statue is completed when 10 percent of the remainder is cut away . what is the weight of the final statue ? 
Options: a ) 105 kg , b ) 103 kg , c ) 109 kg , d ) 125 kg , e ) 117 kg


Output: c