Task: Question Answering
Input (English): Problem: the difference in compound interest earned on a deposit ( compounded annually ) in year 1 and year 2 is $ 40 . had the interest rate been 3 times its present value , the difference w would have been how much ? 
Options: a ) 40 / 3 , b ) 40 , c ) 120 , d ) 360 , e ) 420
Output (English): d