Ying Import has several bond issues outstanding, each making semiannual interest payments. The bonds are listed in the following table. Bond Coupon Rate Price Maturity Face Value Quote 106.06 $ 41,000,000 36,000,000 56,000,000 63,000,000 6.1% 5 years 8 years 15.5 years 25 years 1 2 7.6 7.3 114.62 3 113.17 6.9 4 102.41 If the corporate tax rate is 21 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 0.02 %