AI EX 14-14 Number of times interest charges are earned OBJ.6 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: Current Year Preceding Year Interest expense $167,000,000 $186,000,000 Income before income tax 745,000,000 164,000,000 a. Determine the number of times interest charges are earned for the current and preced- ing years. Round to one decimal place. b. What conclusions can you draw