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 cavitles. Mountain has recorded the following fo the past nine months: Month January February March April May June July August September Number of Cavities Filled 650 see 625 425 bee 458 575 788 358 Total cost $6,200 5,750 5,55 5,55 5,85e 5,150 6,15e 6.lee 5,85e 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 400 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 Required 2 Using these estimates, calculate Mountain's total cost for filling 400 cavities. Estimated Total Cost