Scherr Enterprises has a series of 8 percent coupon bonds outstanding with a$1,000 par value. The bonds mature in 10 years and currently sell for $946. If new bonds are issued, the issuance cost is expected to be $11 per bond. Scherr's marginal tax rate is 40 percent. What is the marginal after-tax cost of debt for Scherr? (Assume annual interest payments.)