Using the data in the following table, estimate the average return and volatility for each stock. (Click on the following icon in order to copy its contents into a spreadsheet.) Realized Returns Year Stock A 2008 - 10% 2009 18% Stock B 20% 38% 2010 2011 2012 7% - 5% 4% 2013 14% 3% - 9% - 7% 31% The return of stock A is %. (Round to two decimal places.)