What is the Firm-wide WACC given the information below.

- The required rate of return for this project is 16% - Maximum allowable payback and discount payback statistics for the firm are 3 and 4 years, respectively - The firm has a capital structure of 75% equity, 5% preferred stock, and 20% debt - The firm's before-tax cost of equity is 17.5%, its cost of preferred stock is 12%, and its cost of debt is 15% - The firm's debt interest is fully tax deductible - The firm's tax rate is the standard corporate tax rate