A company expects to fund its capital budget without issuing any additional shares of common stock. An analyst has gathered the following information: Source of capital Capital Marginal structure after-tax proportion cost Long-term debt 40% 8% Preferred stock 10% 10% 15% Common equity 50% The WACC of the company is calculated as: 776688. : 700000. : 70. % 55 : 56 : 55