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

Bond		Coupon Rate		Price Quote	Maturity		Face Value
1			5.2	%			105.06			5	years		$	32,000,000
2			6.7				113.72			8	years			27,000,000
3			6.4				112.27			15.5	years			47,000,000
4			6.0				101.51			25	years			42,000,000

If the corporate tax rate is 34 percent, what is the aftertax cost of the companys debt?