A January 1, 2009, news report on msn.com included the following sentence: "A report put out by brokerage house CLSA about Jet Airways said that the fall in ATF (fuel) prices has brought down the load factors (flight occupancy) required for the airline to break even from 78 percent to 63 percent." What important assumptions and limitations should be considered when using this piece of information? (The load factor is the percentage of available seats on a flight that are occupied.) Use at least one source to support your response.