A company has outstanding debt with a market value of $600 million and common stock with a market value of $1400 million. Debt and equity are listed on the balance sheet for $550 million and $1250 million, respectively. If its debt has a before-tax cost of 5%, a before-tax cost of equity of 13% and a corporate tax rate of 25%, what is the WACC that this firm should use to evaluate average-risk projects? O A. 10.60% OB. 10.23% O C. 11.00 OD.10.17%