considering a project that requires an initial investment of $270,000. The firm will raise the $270,000 in capital by issuing $100,000 of debt at a before-tax cost of 9.6%, $30,000 of preferred stock at a cost of 10.7%, and $140,000 of equity at a cost of 13.5%. The firm faces a tax rate of 25%, what will be the WACC for this project?\

a. 11.97% b. 13.73% c. 9.04% d. 10.86%