GlobalData, Inc., has two divisions: Test Preparation and Language Arts. Results in millions) for the past three years are partially displayed here: Operating Incomel Total Assets Home Insert Page Layout Formulas Data Review View A B D E F Operating Income/ Operating Operating Operating Total Operating Revenues/ Income Revenues Assets Revenues Total Assets Test Preparation Division 2012 $ 720 $ 9,000 $1,800 ? ? 2013 920 ? ? 11.5% ? 2014 1,140 ? ? 9.5% 6 Language Arts Division 2012 $ 660 $ 3,000 $2,000 ? ? 2013 ? 3,525 2,350 20% ? 2014 ? ? 2,900 ? 1.6 Global Data, Inc. 2012 $1,380 $12,000 $3,800 ? ? 2013 ? ? ? ? ? 2014 ? ? ? ? ? ? 46% ? ? ? 20% 10 11 12 13 ? 2 7 1. Complete the table by filling in the blanks. 2. Use the DuPont method of profitability analysis to explain changes in the operating- income-to-total assets ratios over the 2012-2014 period for each division and for Global Data as a whole. Comment on the results