Answer:
a-1. Assume Mr.G's marginal tax rate is 32 percent. What is his after-tax yield on the municipal bonds?
3.5%
interest from municipal bonds is not taxed by the federal government
a-2. What is his after-tax yield on the corporate bonds?
4.75% x (1 - 0.32) = 3.23%
interest form corporate bonds is taxed as ordinary income
a-3. Which investment should Mr. G make?
Mr. G should invest in municipal bonds since they yield a higher after tax rate
b-1. Assume Mr. G's marginal tax rate is 12 percent. What is his after-tax yield on the municipal bonds?
3.5%
interest from municipal bonds is not taxed by the federal government
b-2. What is his after-tax yield on the corporate bonds?
4.75% x (1 - 0.12) = 4.18%
interest form corporate bonds is taxed as ordinary income
b-3. Which investment should Mr. G make?
Mr. G should invest in corporate bonds since they yield a higher after tax rate