1. Why are spare parts and service parts considered to be independent demand, not dependent demand?
2. Why is collaboration within an organization and the supply chain important when using DRP and MRP?
3. The planning process involves a rolling time horizon. What does this mean to a planner?
4. What is the relationship between cumulative lead time and changes in the MPS? Why?
5. What types of companies are likely to benefit the most from using MRP? Why?