Task: Question Answering
Input (English): Problem: simple interest on a certain sum of money for 3 years at 8 % per annum is half the compound interest on rs . 4000 for 2 years at 10 % per annum . the sum placed on simple interest is : 
Options: a ) 17523 , b ) 2788 , c ) 1750 , d ) 2787 , e ) 29899
Output (English): c