QUESTION 1 Incorrect 0.00 points out of 4.00 Flag question High-Low Cost Estimation Assume the local DHL delivery service hub has the following information available about fleet miles and operating costs Year Miles Operating Costs 2006 554,000 2007 674,000 $177,000 207,000 Use the high-low method to develop a cost-estimating equation for total annual operating costs. (Let X- annual fleet miles.) Total annual costs = Check