M&M Proposition I$1$ with tax implies that the:$$Multiple Choiceweighted average cost of capital decreases as the debt$-$equity ratio increases.value of a company is inversely related to the amount of leverage used by that company.value of an unlevered company equals the value of a levered company plus the value of the interest tax shield.cost of capital is the same regardless of the mix of debt and equity used.cost of equity increases as the debt$-$equity ratio decreases.