We now calculate the rates of return for the two companies and the index for 2011-2015: Bartman Reynolds Index 2015 24.7% -0.7% 32.8% 2014 -4.2% 12.9% 1.2% 2013 62.8% -10.5% 34.9% 2012 2.9% -0.8% 14.8% 2011 60.4% 11.2% 19.0% Avg Returns Note: To get the average, you could get the column sum and divide by 5, but you could also use the function wizard, fx. Click the Formulas tab, fx, then statistical, then Average, and then use the mouse to select the proper range. Do this for Bartman and then copy this cell to put the formula in the other 2 cells.