Canyon Dental Services is a specialized dental practice whose only service is filling cavities. Canyon has recorded the following for the past nine months: Required: 1. Use the high-low method to estimate total fixed cost and variable cost per cavity fllled. 2. Using these estimates, calculate Canyon's total cost for filling 450 cavities. Complete this question by entering your answers in the tabs below. Use the high-low method to estimate total fixed cost and variable cost per cavity filled. Note: Round your Variable cost per unit to 2 decimal places. Complete this question by entering your answers in the tabs below. Using these estimates, calculate Canyon's total cost for filling 450 cavities