Using the data in the following table, B. calculate the volatility (standard deviation) of a portfolio that is 57% invested in stock A and 43% in stock B. The volatility of the portfolio is %. (Round to two decimal places.) Data Table (Click on the icon located on the top-right corner of the data table below in order to copy its contents into a spreadsheet.) Year Stock A Stock B 2010 - 14% 13% 2011 5% 39% 2012 2% 4% 2013 - 3% 10% 2014 2% -9% 2015 6% 16% Print Done