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 Filled Total Cost 400 $5,350 February 325 5,050 March 675 6,600 April 700 6,300 May 425 5,450 June 500 5,850 July 550 6,150 August 300 5,200 September 450 5,500 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.) Fixed Cost Variable Cost per cavity filled < Required 1 Required 2 >