Listed below are costs of services provided by an airline company. Consider the cost object to be a flight. Flight attendants and pilots are paid based on hours of flight time. Classify each cost as direct, indirect, selling, or general and administrative. Classification Cost 1. Depreciation (straight-line) on plane 2. Fuel used for plane flight 3. Flight attendant wages for flight 4. Pilot wages for flight 5. Aircraft maintenance manager salary 6. Snacks served on airplanes 7. Maintenance on airplanes 8. Depreciation on office equipment indirect Direct Direct Direct Direct Direct Indirect Indirect Direct General and Administrative Indirect Selling DIT Indirect Indirect