Using the data in the following table, estimate the average return and volatility for each stock. (Click on the following icon in order to copy its contents into a spreadsheet.) Year 2008 2009 2010 2011 2012 Realized Returns Stock A Stock B -9% 26% 8% 28% 7% 7% - 2% -5% 5% -7% 11% 25% 2013 The return of stock A is %. (Round to two decimal places.) The return of stock B is %. (Round to two decimal places.) The variance of stock A is (Round to five decimal places.) The variance of stock B is (Round to five decimal places.) The standard deviation of stock A is %. (Round to two decimal places.) The standard deviation of stock B is %. (Round to two decimal places.)