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% 30% 2009 11% 24% 2010 6% 5% 2011 - 3% - 1% 2012 3% - 8% 2013 10% 29% 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.) (Round to five decimal places.) The variance of stock B is The standard deviation of stock A is The standard deviation of stock B is %. (Round to two decimal places.) %. (Round to two decimal places.)