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 Nunber of cavities Filled 450 575 700 360 500 350 680 675 425 Total Cost 55,250 6,250 6,580 5,300 5,950 5,300 5,600 6,500 5.200 Required: 1. Use the high-low method to ottimate 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 2 > 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 Using these estimates, calculate Mountain's total cost for filling 400 cavities. Estimated Total Cost