An investor buys 1,000 shares of a stock on margin at a price of $ 50 per share. The initial margin requirement is 40% and the margin lending rate is 3 %. The investors broker charge a commission of $ 0.01 per share on purchase and sales. The stock pays an annual dividend of $ 0.30 per share. Once year later, the investor sells the $ 1,000 shares at a price of $56 per share. The investors rate of return is closet to?