Western Electric has 28,500 shares of common stock outstanding at e price per shere of $72 and a rate of return of 13.35 percent The firm has 6,950 shares of 7.10 percent preferred stock outstanding ata price of $91.50 per share. The preferred stock has a par value of $100. The outstanding debt has a total face value of $383,000 and currently sells for 107 5 percent of lace. The yield to meturity on the debt is 7.87 percent What is the firm's weighted average cost of capital if the tax rate is 21 percen