Advance, Inc., is trying to determine its cost of debt. The firm has a debt issue outstanding with 16 years to maturity that is quoted at 105 percent of face value. The issue makes semiannual payments and has a coupon rate of 10 percent annually.

What is Advance's pretax cost of debt? (Do not round intermediate calculations and round your answer to 2 decimal places. (e.g., 32.16))

Cost of debt

%

If the tax rate is 35 percent, what is the aftertax cost of debt? (Do not round intermediate calculations and round your answer to 2 decimal places. (e.g., 32.16))

Cost of debt

%