Mountain Dental Services is a specialized dental practice whose only service is filling cavities. Mountain has recorded the following for the past nine months:

Month	Number of Cavities Filled	Total Cost
January	300	$5,100
February	500	5,650
March	675	6,600
April	475	5,800
May	525	5,950
June	575	6,350
July	350	5,150
August	325	5,150
September	550	6,100

Required: 1. Use the high-low method to estimate total fixed cost and variable cost per cavity filled. (Round your answers to 2 decimal places.) 2. Using these estimates, calculate Mountains total cost for filling 600 cavities.