Chapter ter 5 Managerial Homework Help 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 Cavities Filled 300 500 550 700 Total Cost $5.200 5,650 6.000 6,400 5.850 5.400 5.200 6,200 5.350 July August September 400 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