ps S e Futuristic Coiffures (FC) needs to raise $85,000 to purchase a new machine. FC knows its component costs of capital are rg = 5%, ros = 7%, r = 11%, and 7 , r = 13%. FC maintains a capital structure that consists of 60 percent debt, 10 percent preferred stock, and 30 percent common equity. The firm's marginal tax rate is 30 percent. If FC expects to generate $27,000 in retained earnings this year, what marginal cost of capital will it incur to raise the needed funds