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 January 400 February 500 March 675 April 525 700 June 425 600 August 300 September 450 May Total Cost $5,250 5,850 6,500 5,650 5,900 5,800 5,750 5,400 5,250 July 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. Complete this question by entering your answers in the tabs below. Required 1 Required 2 Using these estimates, calculate Mountain's total cost for filling 800 cavities. El Con