Ying Import has several bond issues outstanding, each making semiannual interest Bond Coupon Rate 8.50% 6.70 8.20 8.70 Nm Price Quote 105.5 94.9 104.3 106.2 Maturity 5 years 8 years 15.5 years 25 years Face Value $25,000,000 45,000,000 50,000,000 65,000,000 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.) Aftertax cost of debt Aftertax cost of debt %