Please help me solve the following:

your assessment of the relative riskiness of the Google investment (analyzed in the previous problem) compared to investing in the S&P index (recall from Chapter 2 that you can purchase mutual funds that mimic the returns to the index)? (Calculating rates of return) The common stock of Placo Enterprises had a market price of $12 on the day you purchased it just one year ago. During the past year the stock had paid a $1 dividend and closed at a price of $14. What rate of return did you earn on your investment in Placo's stock