Situational Software Co. (SSC) is trying to establish its optimal capital structure. Its current capital structure consists of 20% debt and 80% equity; however, the CEO believes that the firm should use more debt. The risk-free rate, rRF, is 5%; the market risk premium, RPM, is 6%; and the firm's tax rate is 40%. Currently, SSC's cost of equity is 16%, which is determined by the CAPM. The data has been collected in the Microsoft Excel Online file below. Open