Ballack Co.’s common stock currently sells for $54.50 per share. The growth rate is a constant 13.5%, and the company has an expected dividend yield of 5%. The expected long-run dividend payout ratio is 25%, and the expected return on equity (ROE) is 18%. New stock can be sold to the public at the current price, but a flotation cost of 10% would be incurred. What would be the cost of new equity? Round your answer to two decimal places.