Required information Cool-lt Company is a wholesaler of custom-built air conditioning units for commercialbuildings. The data below show the number of units shipped and the total shipping expenses for the past eight months. Provided below is the scottergroph based on the above dato. Required: 2. Does the relation between shipping expenses and the number of units shipped appear to be linear? Yes No 3. Based on a visual inspection of the scattergraph, do you think shipping expense is a true variable cost or a mixed cost? True Varioble Cost Mixed Cost