Task: Question Answering
Input (English): Problem: carl is facing very difficult financial times and can only pay the interest on a $ 10,000 loan he has taken . the bank charges him a quarterly compound rate of 8 % . what is the approximate interest he pays annually ? 
Options: a ) 1500 , b ) 1750 , c ) 2000 , d ) 3500 , e ) 2500
Output (English): d