Bellamee Company has bonds outstanding with five years to maturity and a face value of $5,000. The bonds are currently priced at their face value.

Bellamee Company has bonds outstanding with five years to maturity and a face value of $5,000. The bonds are currently priced at their face value. If the bonds have a coupon rate of 8 percent, then what is Bellamee’s after-tax cost of debt financing (in percent) if the tax rate is 50 percent?