Last year the Black Water Inc. paid dividends $2.83. Company’s dividends are expected to grow at an annual rate of 4% forever. The company’s common stock is currently selling on the market for $82.30. The investments banker will charge flotation costs $2.31 per share. Calculate the cost of common equity financing using Gordon Model. Round the answers to two decimal places in percentage form. (Write the percentage sign in the "units" box).