Task: Question Answering
Input (English): Problem: what will be the compound interest on a sum of rs . 25,000 after 3 years at the rate of 12 % p . a . ? 
Options: a ) rs . 10123.77 , b ) rs . 10123.21 , c ) rs . 10123.20 , d ) rs . 10123.28 , e ) rs . 10123.21
Output (English): c