The difference in compound interest earned on a deposit (compounded annually) in year 1 and year 2 is $ 40. Had the interest rate been three times its present value, the difference would have been how much?
A) 40/3
B) 40
C) 120
D) 360
E) 420
A) 40/3
B) 40
C) 120
D) 360
E) 420