Choose the incorrect statement below: Group of answer choices An O&D market is defined by a passenger's point of entry into, and exit from, the particular airline's system. Prior to deregulation, the real-time application of operational models played a significant role in shaping the airline industry due to the effects of government regulation. Real-time modeling is seldom used today because airline competition is based upon price. An airline's planned schedule determines the location and size of ground facilities, and the number and location of crew and maintenance bases. Most resources that an airline needs to produce its product must be ordered, purchased, or leased years in advance