1. 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 investor's broker charges a commission of $0.01 per share on purchases and sales. The stock pays an annual dividend of $0.30 per share. One year later, the investor sells the 1,000 shares at a price of $56 per share. The investor's rate of return is closest to: