western electric has 40,000 shares of common stock outstanding at a price per share of $100 and a rate of return of 12.00 percent. the firm has 8,000 shares of preferred stock outstanding at a price of $120.00 per share. the preferred stock has a par value of $100 and pays $9 in dividend. the outstanding debt had a total face value of $500,000 and currently sells for 120.00 percent of face. The yield to maturity on the debt is 8.00 percent. what is the firm's weighted average cost of capital if the tax rate is 40 percent.