What interest rate on a fully amortized fixed-rate 15-year loan with monthly payments will make it such that the amount of total interest paid on this loan is ONE THIRD of the total interest paid on the 30-year loan with fixed interest rate of 7% and monthly payments assuming that both loans are held for their entire respective terms?

A.

8.74%

B.

4.45%

C.

5.44%

D.

2.73%

E.

7.48%

F.

2.47%

G.

9.13%