1. What cost types, associated with a hotel room in the Julius Tower, are variable with respect to hotel room occupancy? What cost types are fixed with respect to hotel room occupancy? 2. Before the renovation, how many hotel room nights were needed to break even in the original Roman Tower (now Julius Tower)? Using Caesars' occupancy rate, what was the margin of safety in units before the renovation? What is the margin of safety in units if the Las Vegas hotel occupancy rate is used instead of Caesars' occupancy rate? 3. After the renovation, how many hotel room nights are needed to break even in the Julius Tower? Using Caesars' occupancy rate, what is the margin of safety in units after the renovation? What is the margin of safety in units if the Las Vegas hotel occupancy rate is used instead of Caesars' occupancy rate? Which hotel occupancy rate estimate is more appropriate in this case? Why