QUESTION 3 An investor buys a corporate bond fund that pays an interest rate of 5.79 percent. If the investor pays a marginal tax rate of 22.24 percent, what is his after-tax yield? Enter answer in percents, accurate to two decimal places. QUESTION 4 A municipal bond yields 9.36 percent. An investor in a marginal 30.9 percent tax bracket is comparing this bond with a similar corporate bond. What is the equivalent taxable yield? Enter answer in percents, accurate to two decimal places. QUESTION 5 An investor buys $19 thousand dollars of ABT stock at $20 per share, using 52% initial margin. The broker charges 7% APR compounded daily on the loan, and requires a 35% maintenance margin. The stock pays $0.5 per share dividend each year. If the stock is sold at the end of the year at $22 per share, what is the investor's rate of return? Enter answer in percents, accurate to 2 decimal places