Task: Question Answering
Input (English): Problem: if a lends rs . 2800 to b at 15 % per annum and b lends the same sum to c at 18.5 % per annum then the gain of b in a period of 3 years is ? 
Options: a ) 294 , b ) 289 , c ) 240 , d ) 233 , e ) 200
Output (English): a