Liz Raiborn Inc. has the following financial results for the years 2019 through 2021 for its three regional divisions: 2019 2020 2021 $ 14,825 6,625 12,325 $ 33,775 $ 21,925 $ 25,925 6,9257 ,125 12,925 13,225 $ 41,775 $ 46,275 $ $ Revenue Southwest Midwest Southeast Total Net Operating Income Southwest Midwest Southeast Total Average Total Assets Southwest Midwest Southeast Total 1,025 1,175 925 1,125 $ 1,275 1,525 1,475 1,1251 ,525 3,775 $ 4,275 $ 3,125 $ $ 13,925 4,625 5,225 $ 23,775 $ 14,125 4,125 5,525 $ 23,775 $ 16,725 4,125 5,525 $ 26, 375 Required: Calculate return on sales (ROS), asset turnover (AT), and return on investment (ROI) for each division and also for the firm as a whole for each of the three years 2019, 2020, and 2021. (Note: Due to rounding your percentages, the totals for the firm might not be the actual total of the individual divisions.) (Round "Asset turnover (AT)" answers to 3 decimal places and other answers to 1 decimal place.) 2019 2020 2021 Return on sales (ROS) Southwest Midwest Southeast Firm Asset turnover (AT) Southwest Midwest Southeast Firm Return on investment (ROI) Southwest Midwest Southeast Firm