Use the following information to answer the question(s) below. Luther Industries has 25 million shares outstanding trading at $18 per share. In addition, Luther has $150 million in outstanding debt. Suppose Luther's equity cost of capital is 13%, its debt cost of capital is 7%, and the corporate tax rate is 40%. Luther's weighted average cost of capital is closest to: A. 11.5% B. 13.0% C. 9.8% OD. 10.8%