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: Number of Cavities: Month January Filled Total Cost 300 $5,200 February 500 5,650 March 550 6,000 April 700 6,400 May 475 5,850 June 425 5,400 July 350 5.200 August 575 6.200 September 400 5,350 L 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 450 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.) Fixed Cost Variable Cost per cavity filled Required 1 Require2 Using these estimates, calculate Mountain's total cost for filling 450 cavities. Estimated Total Cost