Input Area: W_s which is the weight of equity, S/(S+B) W_d which is the weight of debt, B/(S+B) Common stock Debt Cost of equity Cost of debt Tax rate 70% 30% 11.3% 5.9% 23% Output Area WACC WACC = w_s* Cost of equity +w_d* Cost of debt *( 1 - Tc)