Saved Mountain Dental Services is a specialized dental practice whose only service is filling cavities. Mountain has recorded the the past nine months 4 100 Number of Cavities Month Filled Total Cost January $5,350 February 325 March 3,050 675 April 700 May 425 450 June 500 2,850 550 August 300 September 450 500 2,600 3,300 July 2,150 200 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 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.)