Suppose that you invest $100 now and 5 years later you have $525 in your account.

a) If your money is invested at simple interest, i, what is the interest rate i?

b) If your money is invested at compound interest, i, what is the interest rate i?

c) If your money is invested at simple discount rate, d, what is the simple discount rate d?

d) If your money is invested at compound discount rate, d, what is the compound discount rate d?