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 Month Filled Total Cost $5,100 5,300 6,350 5,200 6,300 6,300 5,000 6,300 6,000 January 300 February March 375 April ay June 625 400 650 600 July August September 350 675 550 Required: 1. Use the high-low method to estimate tota fix and ble cost per cavity (Round your answers to lecimal places.) Fixed Cost Variable Cost per $ 3.60 Unit 2 decimal places required. 2. Using these estimates, calculate Mountain's total cost for filling 700 cavities. Estimated Total Cost