Task: Question Answering
Input (English): Problem: what is the compound interest on rs . 8500 at 7.5 % p . a . compounded half - yearly for 2 1 / 2 years . 
Options: a ) 1409.85 , b ) 1717.85 , c ) 1427.85 , d ) 2717.85 , e ) 1817.85
Output (English): b