Company A has a cost of debt of 5%, a cost of equity of 10%, and a cost of preferred stock of 8%. The firm has 150,000 shares of common stock outstanding at a market price of $30 a share. There are 30,000 shares of preferred stock outstanding at a market price of $25 a share. The bond issue has a total face value of $400,000 and sells at 102% of face value. The tax rate is 34%. What is the weighted average cost of capital for Company A?