Palencia Paints Corporation has a target capital structure of 40% debt and 60% 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 = $30.00. The last dividend was D₀ = $3.50, and it is expected to grow at a 5% constant rate. What is its cost of common equity and its WACC? Round your answers to two decimal places. Do not round your intermediate calculations.

a. rs= __-%

b. WACC = ___%