Marco Plumbing Supply has a pre-tax cost of debt of 7.6 percent, a cost of equity of 12.4 percent, and a cost of preferred stock of 8.5 percent. The firm has 410,000 shares of common stock outstanding at a market price of $19 a share. There are 30,000 shares of preferred stock outstanding at a market price of $31 a share. The bond issue has a face value of $550,000 and a market quote of 98.0. The company's tax rate is 32 percent. What is the firm's weighted average cost of capital?

10.12 percent

10.33 percent

11.31 percent

11.59 percent

12.60 percent