Cost of Common Equity and WACC Patton Paints Corporation has a target capital structure of 45% debt and 55% common equity, with no preferred stock. Its before-tax cost of debt is 8% and its marginal tax rate is 40%. The current stock price is P0 = $23.50. The last dividend was D0 = $3.50, and it is expected to grow at a 7% constant rate. What is its cost of common equity and its WACC? Round your answers to two decimal places.