Task: Question Answering
Input (English): Problem: shawn invested one half of his savings in a bond that paid simple interest for 2 years and received $ 650 as interest . he invested the remaining in a bond that paid compound interest , interest being compounded annually , for the same 2 years at the same rate of interest and received $ 725 as interest . what was the value of his total savings before investing in these two bonds ? 
Options: a ) 1000 , b ) 1,250 , c ) 2,250 , d ) 3,250 , e ) 4,250
Output (English): d