1. Explain how Pareto analysis is used for identifying areas for improvement. 3. Explain how the analyze step helps to determine the root cause of a problem. What happens in this step? Why is it important to determine the root cause? 12. Why is the demand at a central distribution center or a factory by distribution centers considered as dependent with the distribution planning? 15. As more distribution centers are added to a system, what happens to the cost of truckload, less than truckload, and total transportation costs