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	525	$6,100
February	650	6,000
March	550	6,100
April	475	5,850
May	400	5,250
June	625	6,400
July	600	6,350
August	300	5,000
September	700	6,600

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.)

Fixed Cost
Variable cost per unit

2. Using these estimates, calculate Mountains total cost for filling 450 cavities.

Estimated Total cost