DuPont reports in a recent balance sheet $299 million of 6.50 percent bonds payable due in 2028. The companys effective income tax rate is approximately 27 percent.

a. Compute the companys after-tax cost of borrowing on this bond issue stated as a total dollar amount. (Enter your answer in whole dollars.)

b. Compute the companys after-tax cost of borrowing on this bond issue stated as a percentage of the amount borrowed. (Round your answer to 2 decimal places.)