(1) Analyze and interpret the process behavior charts of selected quarterly earnings data of Southwest Airlines between 2000 and 2005.
(2) Compare your analysis of Southwest's earnings data to the company's analysis and explanations that accompany the earnings reports found at:
https://www.southwest.com/investor_relations/if_quarterly_earnings.html.
Taking into consideration that not all financial outcomes/results were used in the process behavior chart analysis,
(3) what is gained or lost in the use of the process behavior chart analysis compared to the standard analysis of each quarter's results relative to the same quarter in the previous year or to the previous quarter's figures in the same year?