CoffeeStop primarily sells coffee. It recently introduced a premium coffee-flavored liquor (BF Liquors). Suppose the firm faces a tax rate of 40% and collects the Assume a cost of debt of 4.5%, a risk-free rate of 2.1%, and a market risk premium of 6.9%. Note: Assume that the firm will always be able to utilize its full interest tax shield. The weighted average cost of capital is \%. (Round to two decimal places.)