Using the data in the following table, estimate the: a. Average return and volatility for each stock. b. Covariance between the stocks. c. Correlation between these two stocks. 2012 Year Stock A Stock B 2010 - 8% 20% 2011 5% 23% 6% 2013 - 1% - 5% 2014 4% -7% 2015 9% 19% 3%