A taxable bond is expected to pay annual interest of 5.6%, and a tax-exempt municipal bond is expected to pay annual interest of 2.2%. If your marginal tax rate is 28.0%, and you invest $4,000, how much will you earn (after-tax) if you purchase the taxable bond?
A) $224.00 less than if you purchase the tax-exempt bond
B) $73.28 less than if you purchase the tax-exempt bond
C) $224.00 more than if you purchase the tax-exempt bond
D) $73.28 more than if you purchase the tax-exempt bond