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 7 % . what is the approximate interest he pays annually ? 
Options: a ) 1000 , b ) 1500 , c ) 3000 , d ) 2500 , e ) 2400
Output (English): c