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 Juno July August September Number of Cavities Filled Total Cost 475 $5,750 575 6,250 350 5,200 675 6,500 500 5,650 400 5,250 625 6,300 650 6,000 450 5,450 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 550 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 >