What is the WACC for firm Alpha, with Re= ?, Rp = 2.5%, D= 60% of capital structure, E=75% of capital structure, and a corporate tax rate of 25%. What is the Re? 15.3% 16.3% 11.7% 11.5% What is the WACC for firm Alpha, with Re= ?, Rp = 2.5%, D= 60% of capital structure, E=75% of capital structure, and a corporate tax rate of 25%. What is the Re? 15.3% 16.3% 11.7% 11.5%