Selected financial information for Lavin Corp. amounts in millions of dollars 2021 2020 Sales $ 49,161 47,142 Cost of sales 19,480 19,373 Net income 8,981 7,853 Total assets 113,481 105,070 Total liabilities 53,774 48,409 Stockholders' equity 59,698 56,654 Requirements: Complete each of the following items. Show your response directly under each item by inserting the appropriate Excel calculations. Use cell references to the data provided whereever possible. Label your work appropriately. Compute ROE for Lavin Corp. Compute ROA and FL for 2021 using the DuPont ROE disaggregation Confirm that ROA x Financial leverage = ROE Disaggregate 2021 ROA into components of PM and AT. Prove that the product of these components computes to ROA Compute gross profit margin for 2021 Compute liabilities-to-equity ratio for 2021