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: the true discount on a bill due 9 months hence at 16 % per annum is rs . 150 . the amount of the bill is 
Options: a ) 1200 , b ) 1764 , c ) 1400 , d ) 1354 , e ) none of these

Output: c


Input: Consider Input: Problem: yesterday ' s closing prices of 1,980 different stocks listed on a certain stock exchange were all different from today ' s closing prices . the number of stocks that closed at a higher price today than yesterday was 20 percent greater than the number that closed at a lower price . how many of the stocks closed at a higher price today than yesterday ? 
Options: a ) 484 , b ) 1080 , c ) 1,100 , d ) 1,320 , e ) 1,694

Output: b


Input: Consider Input: Problem: if a book is sold at 9 % profit instead of 9 % loss , it would have brought rs 9 more . find out the cost price of the book 
Options: a ) 75 , b ) 72 , c ) 50 , d ) 70 , e ) 80


Output: c