5. An issue of common stock is selling for $57.50. The year-end dividend is expected to be $2.45, assuming a constant growth rate of 5%. What is the required rate of return? (Round your answer to 1 decimal place.) 6. The coupon rate on a debt issue is 7%. If the yield to maturity on the debt is 9%, what is the after-tax cost of debt in the weighted average cost of capital if the firm's tax rate is 31%? (Round your answer to 2 decimal places.) 7. Tobin's Barbeque has a bank loan at 12% interest and an after-tax cost of debt of 4% What will the after-tax cost of debt be when the loan is due if a new loan is taken out yielding 13%. (Do not found intermediate calculations. Round your answer to 2 decimal places.) 8. A firm is paying an annual dividend of $5.00 for its preferred stock which is selling for $69.00. There is a selling cost of $2.00. What is the after-tax cost of preferred stock if the firm's tax rate is 36%? (Round your answer to 2 decimal places.)