Question 13 (1 point) Which of the following statements is correct? A) When calculating the cost of preferred stock, companies must adjust for taxes, because dividends paid on preferred stock are deductible by the paying corporation. B) When calculating the cost of debt, a company needs to adjust for taxes, because interest payments are deductible for the corporation. OC) If a company's beta increases, this will increase the cost of equity, but never its WACC. D) Because of tax effects, an increase in the risk-free rate will have a greater effect on the after-tax cost of debt than on the cost of common stock