Gamma Corp has a market value of equity of $300 million. It also has $100 million in outstanding debt, with a cost of debt of 4.5%. The equity beta is 1.00, the risk-free rate is 4%, and the market risk premium is 5%. What is Gamma's Weighted Average Cost of Capital (WACC)? a. 8.307% b. 6.935% C. 9.374% d. 7.875% e. 6.750% Suppose that you estimate an equity beta of 0.57 for Alpha Corporation. If the risk-free rate is 3% and you know that, for calculating the market risk premium, the expected return of the market portfolio is 8%, what is Alpha Corporation's equity cost of capital? a. 6.37% b. 11.22% C. 5.85% d. 4.19% e. 7.98%