3 pts Which of the following statements is CORRECT? Since debt financing is cheaper than equity financing, raising a company's debt ratio will always reduce its WACC O Since a firm's beta coefficient is not affected by its use of financial leverage, leverage does not affect the cost of equity. O Increasing a company's debt ratio will typically reduce the marginal costs of both debt and equity financing. However, this action still may raise the company's WACC O Since debt financing raises the firm's financial risk, increasing the target debt ratio will always increase the WACC. O Increasing a company's debt ratio will typically increase the marginal costs of both debt and equity financing. However, this action still may lower the company's WACC