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 Cavities Filled Total Cost 350 $5,050 425 5,500 400 5,300 600 6,300 700 6, 600 500 5,850 550 6,150 525 6,100 300 5,000 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 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 450 cavities. Estimated Total Cost