Mojo Mining has a bond outstanding that sells for $2,102 and matures in 20 years. The bond pays semiannual coupons and has a coupon rate of 6.5 percent. The par value is $2,000. If the company's tax rate is 21 percent, what is the aftertax cost of debt?

		3.69%
		5.74%
		6.15%
		4.24%
		4.78%