E5-7 (Algo) Estimating Cost Behavior Using High-Low Method [LO 5-3] 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 Month Cavities Filled January 400 February 500 March 675 April 525 May 700 June 425 July 600 August 300 September 450 Total Cost $5,250 5,850 6,5ee 5,650 5,900 5,800 5,750 5,400 5,250 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 800 cavities. Fixed Cost $ Variable Cost per cavity filled 3,430 X 4.55 X $ Estimated Total Cost