7. You invest $5,000 in an investment account that earns 8% annual interest. What is the investment worth after four years?

8. You just signed a promissory note agreeing to pay the bank $10,000 every six months and $200,000 at the end of five years. The bank charges 9% annual interest. How much money will you receive today?

9. You intend to invest $250 per month in the stock market for the next thirty years. If the market averages an 8% return over that time, what will be the value of your investment at the end of thirty years?