Futuristic Coiffures (FC) needs to raise $85,000 to purchase a new machine. FC knows its component costs of capital are rd=5% , rps=7% , rs=11% , and re=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?