Caraway Seed Company is issuing a $1,000 par value bond that pays 7 percent annual interest and matures in 6 years. Investors are willing to pay $980 for the bond. Flotation costs will be 13 percent of market value. The company is in a 20 percent tax bracket. What will be the firm's after-tax cost of debt on the bond? The firm's after-tax cost of debt on the bond will be ___%.