Using the data in the following table, estimate the average return and volatility for each stock. Realized Returns Year Stock A Stock B 2008 - 11% 21% 2009 14% 26% 2010 5% 15% 2011 - 4% - 10% 2012 5% - 13% 2013 15% 19% 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.)