It’s your 1st yr in college and you have agreed to loan a friend you met $3,000, which your friend will pay you back for at the end of your 4 years. How much will your friend pay you at the end of the 4 years? How much interest will you receive from the loan? At:

a) Simple interest rate of 8% per year

b) Compound interest rate of 8% per year compounded annually

Now assume that you want to be paid back with an equal amount every year for four years.

c) How much would this annual payment be at a compound interest rate of 8% per year compounded annually?

d) At the end of the 4 years, how much will you friend have paid you? How much interest will you have received from the loan?