Month Number of Cavities Filled Total Cost January 375 $5,300 February 500 5,850 March 350 5,200 April 600 6,250 May 325 5,150 June 475 5,700 July 525 6,100 August 575 6,300 September 450 5,550 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 400 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 $ 3,800 4.18 Requie Required 2>