An investor is thinking about buying some shares of razortronics Inc. at $75 a share. She expects the price of the stock to rise to $115 a share over the next three years during that time, she also expects to receive annual dividends of four dollars per share assuming that the investors’ expectations (about the future price of the stock in the dividends that it pays) hold up, what's the rate of return can investors expects to turn on this investment?