1) You put away $8,000 sixteen years ago. Today, that single investment is now worth $28,651. What is the average annual rate of return you earned on your single investment?

2) Your college student needs a gently-used car and you believe you can afford $250 a month for a 5-year car loan with no money down. If the interest rate on a used-car loan is 4.5% percent, what is the maximum price for the car you can afford?