21. Suppose that a corporate bond with a Baa rating and five years to maturity has a yield to maturity of 8 %. Suppose that the government of the city of Madison, which has a Baa credit rating, issues a bond with the same time to maturity in a market that is just as liquid as the market for corporate bonds. Suppose that investors have a tax rate of 30%. Calculate the interest rate that Madison should pay on its bonds if they will yield the same after-tax rate of return as comparable corporate bonds. Show your work. 22. If the rate ofdiscount is 20%. a. Would you rather receive $100 today or $120 in a year? b. Would you rather receive $205 today or $240 in one year