Q2 NBC Inc. has equity with a market value of $29.5 million and debt with a market value of $8 million. Risk-free rate is 5 percent, and the expected return on the market portfolio is 11 percent. The beta of the company's equity is 1.15. The firm pays no taxes. Assume the cost of debt for the firm equals the risk-free rate. a. What is the company's debt-equity ratio? b. What is the firm's weighted average cost of capital? c. What is the cost of capital for an otherwise identical all-equity firm?