Donna Clark deposits $3,400 in her bank today.

a. If the bank pays 7 percent interest per year without compounding, how much simple interest will she have earned and how much money will she have at the end of five years?

b. How much money will she have in five years if the bank pays compound interest with annual compounding? (Round answers to 2 decimal places, e.g. 52.75.)

c. How much of the earnings in part b, will be interest on interest? (Round answers to 2 decimal places, e.g. 52.75.)