Room Availability Forecasts Often Allow for Adjustments Based Upon Historical

Multiple Choice

Room availability forecasts often allow for adjustments based upon historical data. In regard to these adjustments, which of the following is true?

A) Understays are guests who check-out at least one day earlier than their scheduled departure date
B) No-shows are guests with reservations (either guaranteed or non-guaranteed) who never arrive
C) Early arrivals are guests who arrive at least one day prior to their scheduled arrival
D) Cancellations increase the number of available rooms
E) All of the above are true