Using the data in the following table, estimate the average return and volatility for each stock. (Click on the following in order to copy its contents into a spreadsheet.) icon Realized Returns Year Stock A Stock B 2008 -12% 30% 2009 18% 31% 2010 10% 10% 2011 -3% -8% 2012 2% -14% 2013 7% 33% The return of stock A is 3.67 % (Round to two decimal places.) The return of stock B is 13.67 %. (Round to two decimal places.) The variance of stock A is (Round to five decimal places.) L