Financial management: using DuPont System of Analysis to give Idea about which companies is investment grade and why

Company 1 Company 2 Company 3 Year 2018 2019 2020 2018 2019 2020 2018 2019 2020 0.01 0.01 0.001 0.43 0.33 0.33 0.14 0.13 0.37 Profit margin Asset turnover ROA 0.44 0.39 0.34 0.32 0.35 0.38 0.47 0.29 0.39 4% 12% (-0.2%) 10% 12% 12% 10% 4% (-14%) ROE 7% 20% (-0.4%) 22% 23% 23% 31% 13% (-65%) Company 1 Company 2 Company 3 Year 2018 2019 2020 2018 2019 2020 2018 2019 2020 0.01 0.01 0.001 0.43 0.33 0.33 0.14 0.13 0.37 Profit margin Asset turnover ROA 0.44 0.39 0.34 0.32 0.35 0.38 0.47 0.29 0.39 4% 12% (-0.2%) 10% 12% 12% 10% 4% (-14%) ROE 7% 20% (-0.4%) 22% 23% 23% 31% 13% (-65%)