The unlevered cost of capital is _______________________.

	1.	the cost of capital for a firm with no equity in its capital structure
	2.	the cost of capital for a firm with no debt in its capital structure
	3.	the interest tax shield times pretax net income
	4.	the cost of preferred stock for a firm with equal parts debt and common stock in its capital structure
	5.	equal to the profit margin for a firm with some debt in its capital structure