22. Marsalis's Entertainment Corporation has an after-tax cost of debt of 8 percent, a cost of preferred stock of 12 percent, and a cost of equity of 16 percent. What is the WACC, ka, for this company? The capital structure of Marsalis's company contains 20 percent debt, 10 percent preferred stock, and 70 percent equity, O a 13% O b. 14% Oc 16% O d. 15%