Beatriz Beauty just paid a dividend of $2.00 per share today, and the dividend is expected to grow at a constant rate of 5.50% a year. The common stock of Beatriz currently sells for $51.50 per share. The before-tax cost of debt is 6.10%, and the tax rate is 40%. The target capital structure consists of 45% debt and 55% common equity. What is the company's WACC if all the equity used is from retained earnings? Do not round your intermediate calculations. (Multiple Choice) Excel Link: Excel Sheet.xisx 6.38% 5.12% 7.72% 5.72% 6.93%