Task: Question Answering
Input (English): Problem: a person purchased a tv set for rs . 16000 and a dvd player for rs . 6250 . he sold both the items together for rs . 35600 . what percentage of profit did he make ? 
Options: a ) 80 % , b ) 49 % , c ) 40 % , d ) 60 % , e ) 90 %
Output (English): d