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 Number of Cavities Filled Total Cost 625 $ 6,350 525 5,950 475 5,650 375 5,350 675 6,500 500 5,700 325 5,150 6,350 5,450 May June July August September 700 450 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.) & Answer is complete but not entirely correct. $ Fixed Cost Variable Cost per 4X 3,980.00 $ Unit 2. Using these estimates, calculate Mountain's total cost for filling 550 cavities. X Answer is complete but not entirely correct. Estimated Total Cost 5,960 %