Planck's Black Radiation, Inc. just paid an annual dividend of $1.95 per share. This dividend is expected to increase by 2.7 percent annually. Currently, the firm has a beta of 1.21 and a stock price of $28 a share. The risk-free rate is 3.5 percent and the market rate of return is 12.9 percent. What is the cost of equity capital (in percents) for Planck's?