-You invest $1,000 in a certificate of deposit that matures after 10 years and pays 5% interest, which is compounded annually until the certificate matures.

A. How much interest will you earn if the interest is left to accumulate?

B. How much interest will you earn if the interest is withdrawn each year?

C. Why are the answers to a and b different?

-Holly wants to have $200,000 to send to a recently born child to college. She sets up a 529 plan and wants to know how much she must invest at the end of each year for the next 18 years if the funds can earn 5 percent. If she can earn 7 percent, how much less will she have to invest each year?

-A widow currently has a $93,000 investment yielding 6% annually.Can she withdraw $14,000 for the next ten years? Would your answer be different if the yield were 9 percent?

-An investment will generate $10,000 a year for 25 years.If you can earn 10 percent on your funds and the investment cost $100,000, should you buy it? Would your answer be different if you could earn only 7 percent?

-An investment offers to pay you $10,000 a year for five years.If it costs $33,520, what will be your annual rate of return on the investment?

*Please show all work. Thank you!*