Ford Motor Compary is discussing new ways to recaphalizo the firt and raise additonal captak its current capital structure has a 20% weight in equily. 10% in preferred stock, and 70% in debe The cost of equiy capital is 13\%, the cost of preferred stock is 8\%, and the pretax cost of debt is 7%. What is tho weightad average cost of captal for Ford it th marginal tac fate is 30% ? A. 7.51% B. 6.49% C. 8.83% D. 7.85%