Ying Import has several bond issues outstanding, each making semiannual interest payments. The bonds are listed in the table below.

Bond	Coupon Rate	Price Quote	Maturity	Face Value
1	8.60%	105.1	6 years	$21,000,000
2	6.90	95.3	9 years	41,000,000
3	8.30	103.9	16.5 years	46,000,000
4	8.80	105.8	26 years	61,000,000

Required:

If the corporate tax rate is 30 percent, what is the aftertax cost of the companys debt? (Do not round intermediate calculations. Enter your answer as a percentage rounded to 2 decimal places (e.g., 32.16).)

Aftertax cost of debt ______________%