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 Number of Cavities Filled 425 450 575 600 350 675 500 475 400 Total Cost $5,400 5,650 6,350 6,250 5,050 6,350 5,650 5,800 5,300 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 Unit 2. Using these estimates, calculate Mountain's total cost for filling 525 cavities. Estimated Total Cost