incons an evoraje coeciligg cost of 1550 per bound-tre. arport during the yoar Requirements tof a heficopter and X is the number of round-trips it 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 Rapp Travel expects each helicopter to make, on average, 1,600 round-trips in the coming year, what should be its estimated operating budget for the helicopter fieet