Mountain Dental Services is a specialized dental practice whose only service is filling cavities. Mountain has recorded the following for the past nine months: Number of Cavities Filled Total Cost $5,200 5,750 5,600 5,550 6,050 6,100 5,700 6,100 5,250 February March 475 450 425 625 525 500 650 375 May Required: 1. Use the high-low method to estimate total fixed cost and variable cost per cavity filled. (Round your answers to 2 decimal places.) Fixed Cost Variable Cost per 2. Using these estimates, calculate Mountain's total cost for filling 400 cavities. Estimated Total Cost