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	4.0%	103.18	5 years	$ 45,000,000
2	6.1	112.80	8 years	40,000,000
3	5.3	107.45	15 1/2 years	50,000,000
4	4.9	102.75	25 years	65,000,000

If the corporate tax rate is 22 percent, what is the aftertax cost of the companys debt?

Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.

(MUST USE EXCEL & FUNCTIONS)