Is my answer correct?

You have compiled the following information on your investments. What rate of return should you expect to earn on this portfolio? Stock Number of Shares 500 200 300 250 Price per share $51 66 Expected Return 13.6% 14.8% 7.5% 2.1% 42 29 Multiple Choice O 11.57 percent 11.13 percent 11.87 percent o o oo 11.30 percent 11.61 percent