Jenny needs to borrow $5,500 for four years. The loan will be repaid in one lump sum at the end of the loan term. Which one of the following interest rates is best for Jenny?

A. 6.5 percent simple interest

B. 6.5 percent interest, compounded annually

C. 6.6 percent simple interest

D. 6.75 percent interest, compounded annually

E. 6.80 percent interest, compounded annually