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 35 percent, what is the aftertax cost of debt?

5.74%

3.69%

6.15%

4.24%

3.94%