4. Examine Southwest Airlines by providing a detailed analysis of their financials ( (at a minimum, cover one ratio each from profitability, liquidity, leverage, and activity ratios). Compare Southwest Airlines to their main competitors (pick at least three) as well as their industry average on several financial ratios. What do those ratios measure (in non-technical jargon, please), and how is Southwest Airlines doing with respect to these measures? (Ready Ratio is a good source for financial ratio information)

Overall, how would you characterize Southwest Airlines' performance over the past five years? Cover the full five-year period, and reference year one of the five-year period to the most recent year that data is fully available. Hint: Use more than one measure of firm performance!