End of Year	Stock Price	Returns
2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017	$10.90 $5.23 $11.47 $10.40 $10.28 $10.26 $21.27 $23.77 $22.70 $28.62 $45.06	- -52.02% 119.31% -9.33% -1.15% -0.19% 107.31% 11.75% -4.50% 26.08% 57.44%

The sum of squares equals 2.61954236.

4. The average return is:
   1. 23.15%
   2. $18.18
   3. 25.47%
   4. $20.00

5. The standard deviation of returns is:
   1. 0.291060%
   2. 5.12%
   3. 51.18%
   4. 53.95%

6. The variance of returns is:
   1. 0.053950
   2. 0.291060%
   3. 0.539500
   4. 0.291060