You and your friend both have decided to buy 200 shares of XYZ corporation (200 for you and 200 for your friend). The market price is $75 per share when you place a market order and your friend places a limit order at $70 per share. One month later, the price of XYZ is $90 per share after having increased steadily since you and your friend placed your orders. What are your and your friend's effective annual rates of returns if you sell the shares? Ignore any transaction costs.