Question 24 (4 points) Marginal Incorporated (MI) has determined that its before-tax cost of debt is 7.0%. Its cost of preferred stock is 14.0%. Its cost of internal equity is 16.0%, and its cost of external equity is 21.0%. Currently, the firm's capital structure has $621 million of debt, $45 million of preferred stock, and $234 million of common equity. The firm's marginal tax rate is 25%. The firm is currently making projections for the next period. Its managers have determined that the firm should have $99 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 $270 million? 8.48% 9.78% 9.13% 10.99% 9.69% Question 25 (4 points) Marginal Incorporated (MI) has determined that its after-tax cost of debt is 5.0% for the first $62 million in bonds it issues, and 7.0% for any bonds issued above $62 million. Its cost of preferred stock is 12.0%. Its cost of internal equity is 15.0%, and its cost of external equity is 19.0%. Currently, the firm's capital structure has $325 million of debt, $70 million of preferred stock, and $105 million of common equity. The firm's marginal tax rate is 45%. The firm's managers have determined that the firm should have $50 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 $167 million? 8.08% 10.22% 9.38% 8.92% 8.17% 7.33% 6.62% 7.46%