US AIRWAYS is one of the nation's leading commercial air carriers.The following are some of the costs incurred by the US airways. For each cost. select an appropriate cost driver and indicate whether the cost is likely to be fixed, variable, or mixed in relation to your cost driver.

1. Airplane Fuel
2. Flight Attendants salaries
3. Baggage Handlers salaries
4. In-flight meals
5. Pilots salaries
6. Airplane depreciation
7. Advertising