2 Ying Import has several bond issues outstanding, each making semiannual interest payments. The bonds are listed in the table below Maturity 4 years T years 145 years 24 years Bond Coupon Rate Price Quote 8.80% 7.00 8.50 9.00 105.8 94.6 104.6 106.5 Face Value $28,000,000 48,000,000 53,000,000 68,000,000 If the corporate tax rate is 40 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