Mountain Dental Services is a specialized dental practice whose only service is filling cavities. Mountain has recorded the followin for the past nine months: Number of Cavities Filled 350 475 450 425 Month January February March April May June July August September 625 Total Cost $5,200 5,750 5,600 5,550 6,050 6,100 5,700 6,100 5,250 525 500 650 375 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