Scatter Diagrams and High-Low Cost Estimation Assume the local Pearle Vision has the following information on the number of sales orders received and order processing costs. Month Sales Orders Order Processing Costs 1 3.000 599 200 2 1500 60.450 3 144 2.800 9020 5 83.730 6 1.200 51.720 2000 75.000 100 Required (a.) Use information from the high- and low-volume months to develop a cost estimating equation for monthly order processing costs. 29.15 16.800 A Ib. Plot the data on a scatter diagram. Using the information from representative high-and low-volume months, develop a cost estimating equation for monthly production costs. needed, an Excel worksheet is provided in the following link in order to create the scatter diagram: Scatter Diagram