Using the data in the following table, estimate the average return and volatility for each stock. Year 2008 2009 2010 2011 2012 2013 Realized Returns Stock A Stock B - 5% 28% 17% 39% 8% 6% - 2% -5% 2% - 14% 10% 21% 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.)