Marginal Incorporated (MI) has determined that its before-tax cost of debt is 10.0% Its cost of preferred stock is 14.0%. Its cost of internal equity is 16.0%, and its cost of external equity is 19.0%. Currently, the firm's capital structure has $325 million of debt, $50 million of preferred stock, and $125 million of common equity. The firm's marginal tax rate is 45%. The firm is currently making projections for the next period. Its managers have determined that the firm should have $62 million available from retained earnings for investment purposes next period. What is the firm's marginal cost of capital at a total investment level of $298 million? 9.35% 8.98% 9.73% 12,65% 11.90% Marginal Incorporated (MI) has determined that its after-tax cost of debt is 5.0% for the first $58 million in bonds it issues, and 8.0% for any bonds issued above $58 million. Its cost of preferred stock is 15.0%. Its cost of internal equity is 17.0%, and its cost of external equity is 21.0%. Currently, the firm's capital structure has $530 million of debt, $150 million of preferred stock, and $320 million of common equity. The firm's marginal tax rate is 25%. The firm's managers have determined that the firm should have $58 million available from retained earnings for investment purposes next period. What is the firm's marginal cost of capital at a total investment level of $272 million? 11.62% 11.93% 10.34% 13.21% 12.15% 10.87% 9.68% 10.96%