Consider a firm with $45.97in outstanding debt and $128.07in equity.If the required return on debt is 6.395%,the required return on equity is6.183%, and the firm's tax rate is 19%,find the firm's weighted-average cost of capital to four decimal places.Assume no preferred stock is issued. For example, 0.0456 for 4.56%,not0.04or 4.56.