to make a matherniaucu is considering. 3 nvestments-Bonds. D, Inc. bonds are selling for $1,000 each with an interest rate of percent. Tax-exempt bonds issued by the State of Kentucky are selling for $1,000 each with an interest rate of three percent. Which bond provides a taxpayer with the higher after-tax return when the marginal tax rate is a. 35 percent? b. 22 percent