I need urgently help, with these questions, please!

1. Marginal Incorporated (MI) has determined that its before-tax cost of debt is 9.0%. Its cost of preferred stock is 13.0%. Its cost of internal equity is 17.0%, and its cost of external equity is 22.0%. Currently, the firm's capital structure has $310 million of debt, $60 million of preferred stock, and $130 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 $97 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 $466 million?

	9.05%
	10.35%
	9.70%
	12.86%
	11.56%

2. Marginal Incorporated (MI) has determined that its before-tax cost of debt is 5.0% for the first $198 million in bonds it issues, and 8.0% for any bonds issued above $198 million. Its cost of preferred stock is 11.0%. Its cost of internal equity is 16.0%, and its cost of external equity is 20.0%. Currently, the firm's capital structure has $310 million of debt, $30 million of preferred stock, and $160 million of common equity. The firm's marginal tax rate is 35%. The firm's managers have determined that the firm should have $73 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 $415 million?

	9.08%
	10.28%
	7.80%
	9.00%
	12.02%
	10.16%
	8.88%
	10.74%