Ying Import has several bond issues outstanding, each making semiannual interest payments. The bonds are listed in the following table. If the corporate tax rate is 35 percent, what is the aftertax cost of Ying's debt? (Do not include the percent sign (%). Round your answer to 2 decimal places. (e.g. 32.16))
Bond Coupon Rate Price Quote Maturity Face Value
1 5.9% 101 8 years $25,000,000
2 6.8 108 12 years 38,000,000
3 5.3 100 24½ years 47,000,000
4 6.1 114 38 years 55,000,000
Aftertax cost of debt percent