Quantitative Problem: Barton Industries expects that its target capital structure for raising funds in the future for its capital budget will consist of 40% debt, 5% preferred stock, and 55% common equity. Note that the firm's marginal tax rate is 40%. Assume that the firm's cost of debt, P. Is 7.1%, the firm's cost of preferred stock, fp, is 6.6% and the firm's cost of equity is 11.1% for old equity, rs, and 11.57% for new equity, Te. What is the firm's weighted average cost of capital (WACC) it uses retained earnings as its source of common equity? Round your answer to 3 decimal places. Do not round intermediate calculations. What is the firm's weighted average cost of capital (WACC) if it has to issue new common stock? Round your answer to 3 decimal places. Do not round intermediate calculations