E5-7 (Algo) Estimating Cost Behavior Using High-Low Method [LO 5-3] Mountain Dental Services is a specialized dental practice whose only service is filling cavities Mountain has recorded the following for the past nine months Month January February March April May June July August September Number of Cavite Filled 625 525 475 375 675 500 325 200 450 Total Cost $6,350 5,950 5.650 5,350 6,500 5.700 5,150 6,350 5,450 Required: 1. Use the high-low method to estimate total fixed cost and variable cost per cavity filled. 2. Using these estimates, calculate Mountain's total cost for filling 550 cavities, Complete this question by entering your answers in the tabs below. Required 1 Required 2 Use the high-low method to estimate total fixed cost and variable cost per cavity filled (Round your Variable cost per unit to 2 decimal places.) Fred Cost Variable Cost per cavity filed Required 2 > Complete this question by entering your answers in the tabs below. Required 1 Required 2 Using these estimates, calculate Mountain's total cost for filling 550 cavities. Estimated Total Cos!