1. Stock A's stock has a beta of 1.30, and its required return is 11.25%. Stock B's beta is 0.80. If the risk-free rate is 4.75%, what is the required rate of return on B's stock? (Hint: First find the market risk premium.)

2. Fiske Roofing Supplies' stock has a beta of 1.23, its required return is 8.00%, and the risk-free rate is 4.30%. What is the required rate of return on the market? (Hint: First find the market risk premium.)

3. Kenny Electric Company's noncallable bonds were issued several years ago and now have 20 years to maturity. These bonds have a 9.25% annual coupon, paid semiannually, sells at a price of $1,075, and has a par value of $1,000. If the firm's tax rate is 25%, what is the component cost of debt for use in the WACC calculation?

4. Perpetual preferred stock from Franklin Inc. sells for $97.50 per share, and it pays an $8.50 annual dividend. If the company were to sell a new preferred issue, it would incur a flotation cost of 4.00% of the price paid by investors. What is the company's cost of preferred stock for use in calculating the WACC?