Ying Import has several bond issues outstanding, each making semiannual interest payments. The bonds are listed in the following table. Coupon Rate Price Quote Bond Maturity 1 6.5% 106.46 5 5 years N :* Face Value $ 45,000,000 40,000,000 60,000,000 67,000,000 2 3 8.0 7.7 7.3 115.02 113.57 102.81 8 years 15.5 years 25 years If the corporate tax rate is 25 percent, what is the aftertax cost of the company's debt? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) Cost of debt %