The following data were taken from recent annual reports of Southwest Airlines, which operates a low-fare airline service to over 50 cities in the United States.

a. Determine the number of times interest charges were earned for the current and preceding years. Round to one decimal place.
b. What conclusions can youdraw?

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Current Year 88,000,000 489,000,000 Preceding Year Interest expense Income before income tax 91,000,000 708,000,000