Rabuet Travel offers helicopter service from suburban towns to John F. Kennedy Intemational Airport in New York City Each of As twolve helicopters makes betwoen 900 and 1,800 round-trips per year. The pocorits incicate that a helicopter that has made 900 round trips in the year incurs an average operating cost of $385 per round-trip, and one that has made 1,800 round thiph in the year incurs an average operating cost ol $250 per round-trip. Read the regirements Requirement 1 , Uting the high-low method, estimate the linear relationship y * a+bX, where y is the total annual cpeinting cost of a holicopter and X is the number of rounditrips it makes to JFK airport during the year. Requirements 1. Using the high-low method, estimate the linear relationship y=a+bX, where y is the total annual operating cost of a helicopter and X is the number of round-trips it makes to JFK airport during the year. 2. Give examples of costs that would be included in a and in b. 3. If Rabuet Travel expects each helicopter to make, on average, 1,300 round-trips in the coming year, what should be its estimated operating budget for the helicopter fleet