Taxpayer A and Taxpayer B have the opportunity to invest in either a taxable corporate bond or a tax-exempt municipal bond. The corporate bond has a 9% stated interest rate, and the municipal bond has a 6.5% stated interest rate. Based solely on after-tax rates of return, which bond should Taxpayer A invest in if her marginal tax rate is 32% ? Which bond should Taxpayer B invest in if his marginal tax rate is 24% ? (Must show all calculations to receive any credit)