13. Approximately how much should be accumulated by the beginning of retirement to provide a $2,500 monthly check that will last for 25 years, during which time the fund will earn 6% interest with monthly compounding? A. $361,526.14 B. $388,017.16 C. $402,766.67 D. $414,008.24

14. Your real estate agent mentions that homes in your price range require a payment of $1,200 per month for 30 years at 9% interest. What is the size of the mortgage with these terms? A. $128,035.05 B. $147,940.29 C. $149,138.24 D. $393,120.03

17. The salesperson offers, "Buy this new car for $25,000 cash or, with an appropriate down payment, pay $500 per month for 48 months at 8% interest." Assuming that the salesperson does not offer a free lunch, calculate the "appropriate" down payment. A. $1,000.00 B. $4,519.04 C. $5,127.24 D. $8,000.00

18. A cash-strapped young professional offers to buy your car with four, equal annual payments of $3,000, beginning 2 years from today. Assuming you're indifferent to cash versus credit, that you can invest at 10%, and that you want to receive $9,000 for the car, should you accept? A. Yes; present value is $9,510.08 B. Yes; present value is $11,372.67 C. No; present value is $8,645.09 D. No; present value is $7,461.17

19. On the day you retire you have $1,000,000 saved. You expect to live another 25 years during which time you expect to earn 6.19% on your savings while inflation averages 2.5% annually. Assume you want to spend the same amount each year in real terms and die on the day you spend your last dime. What real amount will you be able to spend each year? A. $61,334.36 B. $79,644.58 C. $79,211.09 D. $61,931.78

Please work these out so I can learn how to do them.