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. Cost 1. Salesperson commissions 2. Office headquarters rent 3. Office equipment insurance used up 4. Travel agent salaries 5. Co-pilot wages for plane flight 6. Advertising 7. Beverages served on plane 8. Depreciation (straight-line) on plane Classification