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

ond		Coupon Rate			Price Quote				Maturity			Face Value
1			7.0			106.86			5	years		$	50,000,000
2			8.5			115.52			8	years			45,000,000
3			8.2			114.07			15.5	years			65,000,000
4			7.8			103.31			25	years			60,000,000

If the corporate tax rate is 35 percent, what is the aftertax cost of Yings debt? (Do not round intermediate calculations and round your final answer to 2 decimal places. (e.g., 32.16))