Currently, United Airlines has no debt and their equity beta is 1.3. You know that the risk free rate is 3% and the market risk premium is 6%. The company CEO wants to change its capital structure to a debt to equity ratio of 1:5. Under the new capital structure, United Airlines projected cost of debt is 4%. What will be their cost of equity under the new capital structure? ? (Answer in %. Ex for .6789 put 67.89%)