text: **Advertising.**The Company expenses advertising costs the first time the advertising 
  takes place. Advertising expense, which is generally included in general and 
  administrative expenses, was $57 million, $54 million and $52 million for 2004, 
  2003 and 2002, respectively. 
  
  **Corporate expense.**Corporate expense represents unallocated payroll and aircraft 
  costs, professional fees and various other expenses not directly related to the 
  Company’s casino resort operations. In addition, corporate expense includes the 
  costs associated with the Company’s evaluation and pursuit of new business 
  opportunities, which are expensed as incurred until development of a specific 
  project has become probable. 
  
  **Preopening and start-up expenses.**The Company accounts for costs incurred dur- 
  ing the preopening and start-up phases of operations in accordance with Statement 
  of Position 98-5, “Reporting on the Costs of Start-up Activities”. Preopening and 
  start-up costs, including organizational costs, are expensed as incurred. Costs classi- 
  fied as preopening and start-up expenses include payroll, outside services, advertising, 
  and other expenses related to new or start-up operations and new customer initiatives. 