Using the data in the following table, estimate the average return and volatility for each stock. (Click on the following icon o in order to copy its contents into a spreadsheet.) Year 2008 2009 2010 2011 2012 2013 Realized Returns Stock A Stock B - 14% 19% 20% 25% 9% 6% - 3% -6% 5% - 4% 19% 7% 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.)