A bank is considering two securities: a 30-year Treasury bond yielding 7 percent and a 30-year municipal bond yielding 2 percent. a. If the banks tax rate is 35 percent, calculate the Treasury bond's after-tax yield. (Round your answer to 1 decimal place. (e.g., 32.1)) After-tax yield % b. Which bond offers the higher after-tax yield? 30-year Treasury bond 30-year municipal bond