1. You bought a corporate bond one year ago for $1,000. The bond is still worth $1,000, and you have received interest payments totaling $69 during the year. If your marginal tax rate is 20 percent, what is your after-tax rate of return? (Round answer to 2 decimal places, e.g. 52.75.)

2. You need to accumulate $95000 for your childs college education 18 years from now. How much do you need to save each year if you can earn 2 percent after taxes on your investment, assuming that you will make annual end-of-year payments into the account?

3. Betty bought Infinity stock for $120 on January 2 and sold it on December 30 at $180. She received quarterly dividends of $3.30. What was her rate of return?

a) 61%

b) 41%

c) 50%

d) 35%