Which of the following investments of $10,000 will return the most to an investor?

Select one:

a. An investment of $10,000 at an annual rate of 4%, compounded quarterly for 6 years.

b. An investment of $10,000 at an annual rate of 4.2%, compounded semiannually for 5 years.

c. An investment of $10,000 at an annual rate of 4.8%, compounded monthly for 5 years.

d. An investment of $10,000 at an annual rate of 5%, compounded annually for 4 years.

e. An investment of $10,000 at an annual rate of 3.6%, compounded annually for 7 years.