Suppose a firm increased debt in its capital structure. While the resulting higher leverage increases both the cost of equity and the cost of debt, the substitution of lower cost debt for higher cost equity leads to a decline in weighted average cost of capital. Under these circumstances, which one of the following is a plausible outcome regarding the share price of the company.

	Share price does not change
	Share price declines as cost of equity increases
	Share price increases as WACC declines
	Share price declines as WACC declines