Liz Raiborn Inc. has the following financial results for the years 2019 through 2021 for its three regional divisions: 2019 2029 2021 Revenue Southwest Midwest Southeast $ 14,750 6,55 12,250 $ 33,550 $ 21,850 6,850 12,850 $ 41,550 $ 25,850 7 ,050 13,150 $ 46,95 $ $ $ 1 Total Net Operating Income Southwest Midwest Southeast Total Average Total Assets Southwest Midwest Southeast Total 950 1.100 850 2,999 1,650 1.450 1.050 3,550 1,200 .499 1.458 4,50 $ $ $ $ 13,850 4.559 5,150 $ 23,550 $ 14,650 4.59 5,450 $ 23,550 $ 16,650 4.258 5,450 $ 26,150 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