What is the Go Trojans ROS or PM?

Use the following financial statements for the Go Trojans Inc. Questions 26 - 31: 2020 Income Statement ($ in millions) Net sales $ 11,250 Cost of goods sold (w/o Depreciation) 5,225 Depreciation 1,890 Earnings before interest and taxes 4,135 Interest paid 850 Taxable income 3,285 Taxes 690 Net income $ 2,595 Dividends paid $ 1,025 Addition to retained earnings $ 1,570 2019 and 2020 Balance Sheets ($ million) Cash Acc. Rec. Inv't Total C/A 2019 $ 1,455 2,460 1,405 $5,320 2020 $1,151 3,975 885 $ 6,011 Acc. Pay. Note Pay. Total C/L 2019 $ 1,150 2,600 $3,750 2020 $ 2,863 1,628 $ 4,491 Net Fixed $19,300 $21,720 LT Debt $ 7,000 Com. Stock $ 5,500 Ret. Earnings $ 8,370 Total L & E $24,620 $ 7,600 $ 5,700 $ 9,940 $27,731 Total Assets $24,620 $27,731