The Best Health (BH) is a for-profit corporation, with a corporate tax rate of 30%. It's a zero-growth company, with expected operating income of $500,000. BH uses $1 million debt at a 10% financing cost, and the cost of equity of an unleveraged firm in the same risk class is 15%. What is the cost of levered BH equity?

	a.	30%
	b.	17%
	c.	15%
	d.	10%