Southwest Airlines Co's (LUV) and Delta Airlines Inc's (DAL) 2022 10-Ks on SEC Edgar. that the year-end for both companies was December 31th,2022. Iswer the following questions: 5. Calculate Southwest's Return on Assets (Show your work). (+1) 6. Calculate Delta's Return on Assets (Show your work). (+1) 7. Which company is utilizing their assets more effectively? Use the ratios above to explain how you can tell. (+1,+.5 for correct company and +.5 for explanation) 8. Refer to the notes of the Southwest 's financial statements, what expense line item is advertising costs included in on the financial statements (Hint: Find Note \#1.)? (+.5) 9. Find Delta's Net Income/Loss for 2022 and 2021. Then, calculate their Net Profit Margin in 2022 and 2021. Compare Net Income and Net Profit Margin. How did they change year-over-year, and why is this important? (+2,+1 for correct percentages and +1 for correct explanation) Southwest Airlines Co's (LUV) and Delta Airlines Inc's (DAL) 2022 10-Ks on SEC Edgar. that the year-end for both companies was December 31th,2022. Iswer the following questions: 5. Calculate Southwest's Return on Assets (Show your work). (+1) 6. Calculate Delta's Return on Assets (Show your work). (+1) 7. Which company is utilizing their assets more effectively? Use the ratios above to explain how you can tell. (+1,+.5 for correct company and +.5 for explanation) 8. Refer to the notes of the Southwest 's financial statements, what expense line item is advertising costs included in on the financial statements (Hint: Find Note \#1.)? (+.5) 9. Find Delta's Net Income/Loss for 2022 and 2021. Then, calculate their Net Profit Margin in 2022 and 2021. Compare Net Income and Net Profit Margin. How did they change year-over-year, and why is this important? (+2,+1 for correct percentages and +1 for correct explanation)