Calculate the after-tax return of a 4.65 percent, 20-year, A-rated corporate bond for an investor in the

Question:

Calculate the after-tax return of a 4.65 percent, 20-year, A-rated corporate bond for an investor in the 15 percent marginal tax bracket. Compare this yield to that of a 3.25 percent, 20-year, A-rated, tax-exempt municipal bond, and explain which alternative is better. Repeat the calculations and comparison for an investor in the 33 percent marginal tax bracket.