FOR SOUTHWEST AIRLINES OVER THE LAST $5$ YEARS.

How and why have corporate measures of profitability, efficiency, liquidity, and solvency changed over the periods being analyzed?

How do the level and trend in a company's profitability, efficiency, liquidity, and solvency compare with the corresponding results of other companies in the same industry? What factors explain any differences?

What aspects of performance are critical for a company to successfully compete in its industry, and how did the company perform relative to those critical performance aspects?

What do you think is the company's business model and strategy, and how did they influence the company's performance as reflected in$,$ for example, its sales growth, efficiency, and profitability?