Compute and Interpret Ratios Selected balance sheet and income statement information from Illinois Tool Works follows. $ millions 2019 2018 2017 Net operating profit after tax (NOPAT) $2,610 $2,711 Net income 2,521 2,563 Total assets 15,068 14,870 $16,780 Equity 3,026 3,254 3,254 Net operating profit after tax (NOA) 8,869 9,462 10,089 Treasury stock 18,982 17,545 15,562 a. Compute profitability measures: RNOA, ROA and ROE for 2019 and 2018 using the numbers as reported by the company. Note: Round answers to one decimal place (ex: 0.2345 = 23.5%). 2019 2018 Metric RNOA % % ROA % % ROE % % b. Adjust equity and total assets for the amount of treasury stock. $ millions 2019 2018 2017 Assets, restated $ $ $ Equity, restated $ $ C. Which profitability measures (from part a or part b) better reflect the company's profit levels during the two years? Of the three measures, which one is least influenced by the company's stock repurchase activity