E5-7 (Algo) Estimating Cost Behavior Using High-Low Method [LO 5-3] 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 entimate total fixed cost and variable cost per cavity filled 2. Using these estumates, calculate Conyon's total cost for filling 700 cavities