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: January February Filled Total Cost 350 $5,050 425 5,500 March 400 5,300 April 600 6,300 May 700 6,600 June 500 5,850 July 550 6,150 August 525 6,100 September 300 5,000 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 450 cavities. Complete this question by entering your answers in the tabs below. Required 11 Required 21 Use the high-low method to estimate total fixed cost and variable cost per cavity filled. (Round your Variable cost per unit to 2 decimal places.) Fixod Cost Vanable Cost per cavity filed