The Walgreen Corporation is contemplating a new investment that it plans to finance using one-third debt. The firm can sell new $1000 par value with a 15-year maturity at a price of $948 that carry a coupon interest rate of 12.3 percent that is paid semiannually. If the company is in a 34-percent tax bracket, what is the after-tax of capital to Walgreen for the bonds?
the after tax cost of debt is _%? (Round to two decimal places)