Assume the local dhl delivery service hub has the following

Assume the local DHL delivery service hub has the following information available about fleet miles and operating costs: High-Low Cost EstimationAssume the local DHL delivery service hub has the following information available about fleet miles and operating costs:Year Miles Operating Costs2006 556,000 $177,0002007 696,000 212,000 Use the high-low method to develop a cost-estimating equation for total annual operating costs. (Let X = annual fleet miles.)Total annual costs =