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. Beverages served on plane 2. Accounting manager salary 3. Depreciation (straight-line) on plane 4. Fuel used for plane flight 5. Flight attendant wages for flight 6. Pilot wages for flight 7. Aircraft maintenance manager salary 8. Snacks served on airplanes