Christina borrowed $3,000 five years ago and pays a fixed 2percent interest rateeach periodon her loan. Which one of the following results inlowertotal intereston her loan over the course of one year?

A) Having compounding periods of one month instead of one one week.

B) Getting charged compound interest over the year instead of simple interest.

C) There can be no difference over the year if the interest rate per period is fixed. The rate must be 2% annually.

D)Having compounding periods of one month instead of one year.

E) Waiting until the last minute to make her loan payments because she has a high discount rate.

I tried "C" in this question and it was wrong.