Evaluating Risk and Return Bartman Industries' and Reynolds Inc.'s stock prices and dividends, along with the Winslow 5000 Index, are shown here for the period 2008-2013. The Winslow 5000 data are adjusted to include dividends. Use the data to calculate annual rates of return for Bartman, Reynolds, and the Winslow 5000 Index. Then calculate each entity's average return over the 5-year period. Calculate the standard deviations of the returns for Bartman, Reynolds, and the Winslow 5000