A firm has a capital structure of debt and equity. The debt has a face value of $10 million, and currently, the debt trades at 80% of face value. The current yield to maturity on the debt is 9%. The market value of the firm's common stock is $12 million. The beta for the firm's common stock is 1.25. The current risk free rate in the economy is 2%, while the market portfolio risk premium is 6%. The marginal tax rate facing the firm is 30% . What is the weighted average cost of capital for the firm