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: indu gave bindu rs . 2500 on compound interest for 2 years at 4 % per annum . how much loss would indu has suffered had she given it to bindu for 2 years at 2 % per annum simple interest ? 
Options: a ) 1 , b ) 2 , c ) 3 , d ) 4 , e ) 5

Output: a


Input: Consider Input: Problem: if a book is sold at 10 % profit instead of 10 % loss , it would have brought rs 14 more . find out the cost price of the book 
Options: a ) 75 , b ) 72 , c ) 60 , d ) 70 , e ) 80

Output: d


Input: Consider Input: Problem: evaluate 20 % of 450 + 45 % of 200 
Options: a ) 232 , b ) 242 , c ) 252 , d ) 262 , e ) 180


Output: e