Please go to sec.gov and look up the two comapnies. One has high Fixed Costs and the other company has high variable costs Try and understand what operating leverage is and how it affects a company LUV DHI Revenue $22,428.00 $17 593.00 Less Variable Costs Cost of Sales Landing Fees/Airport Rent - Fuel and Oil - Equals Contribution Margin - Salaries, Wages * Maintenance Materials Depreciation/Amortization Operating Expenses Total Operating Operating Income - Contribution Margin divided by Operating Income Equals Leverage Please go to sec.gov and look up the two comapnies. One has high Fixed Costs and the other company has high variable costs Try and understand what operating leverage is and how it affects a company LUV DHI Revenue $22,428.00 $17 593.00 Less Variable Costs Cost of Sales Landing Fees/Airport Rent - Fuel and Oil - Equals Contribution Margin - Salaries, Wages * Maintenance Materials Depreciation/Amortization Operating Expenses Total Operating Operating Income - Contribution Margin divided by Operating Income Equals Leverage