Online Learning, Inc. has two divisions: Test Preparation and Language Arts. Results (in millions) for the past three years are partially displayed here: (Click the icon to view the results.) THE Income Revenues Assets Revenues Assets Assets Test Preparation Division 2015 740 $ $ 9,250 $ 1,850 5.0 40 % 8 % 2016 820 6.560 1,640 12.5 % 4.0 50 % 2017 1.110 9.250 1,850 12 % 60 % 5.0 Language Arts Dept. 2015 2,600 $ 650 $ 1,625 25 % 1.6 40 % 69 705 2016 3.525 2,350 20 % 1.5 30 % 2017 575 5.000 2,500 11.5 % 2.0 23 % Online Learning Inc. 2015 $ 11.850 $ 3.475 1.390 $ 3.4 11.7 % 40% 2016 % % 2017 % % Income Revenues Assets Revenues Assets Assets Test Preparation Division 2015 740 $ 9,250 $ 1,850 ? ? ? 2016 820 12.5% ? 50% 2017 1,110 ? 12% 5.0 ? Language Arts Division 2015 $ 650 $ 2 600 $ 1,625 2016 ? 3,525 2 350 20% ? ? 2017 ? 2 2,500 P 2.0 23% Online Learning Inc. 2015 A 1,390 $ 11,850 $ 3.475 2016 2 ? 2017 2 2 ? Print Done Requirements 1. Complete the table by filling in the blanks. Use the DuPont method of profitability analysis to explain changes in the operating-income-to-total-assets ratios over the 2015-2017 period for each division and for Online Learning as a whole. Comment on the results