Seerex Wok Co. is expected to pay a dividend of $1.65 one year from today on its common shares. That dividend is expected to increase by 5.10 percent every year thereafter. If the price of Seerex common stock is $20.06, what is the cost of its common equity capital? (Round intermediate calculations to 4 decimal places, e.g 0.5212 and final answer to 2 decimal places, e.g. 15.25%.)