Supply Chain Professional CSCP APICS Study Notes

Risk pooling helps reduce total inventory levels without affecting service levels by leveraging the principle that aggregate demand is more stable and predictable than disaggregate demand. Here’s the rationale:

• Inventory turnover ratio: Lowering the ratio does not directly relate to risk pooling.
• Aggregate demand: Combining demand across multiple locations or products reduces variability, leading to lower safety stock requirements and overall inventory levels.
• Planning time fence: Adjusting this does not directly impact risk pooling principles.
• Supplier risk sharing: While beneficial, it is not the primary principle of risk pooling. By pooling risks, the variability of aggregate demand is reduced, allowing for lower inventory levels while maintaining service levels.

References

• Chopra, S., & Meindl, P. (2016). Supply Chain Management: Strategy, Planning, and Operation.
• Simchi-Levi, D., Kaminsky, P., & Simchi-Levi, E. (2008). Designing and Managing the Supply Chain.

Selecting supporting information systems is a crucial supply chain design decision. Effective information systems are essential for managing and coordinating supply chain activities, such as inventory management, order processing, demand forecasting, and logistics. The right information systems enable real-time visibility, data analytics, and seamless communication across the supply chain, enhancing overall efficiency and responsiveness.

References

• Simchi-Levi, D., Kaminsky, P., & Simchi-Levi, E. (2008). Designing and Managing the Supply Chain: Concepts, Strategies, and Case Studies. McGraw-Hill.
• Laudon, K. C., & Laudon, J. P. (2015). Management Information Systems: Managing the Digital Firm. Pearson.

• Context: Return material authorization (RMA) policies are used in reverse logistics to manage returns efficiently.
• Options Breakdown:
• Correct Answer Justification: RMA policies are designed to authorize returns before they are shipped back, ensuring that only items meeting return criteria are processed, thus reducing unnecessary return costs.

References:

• Reverse logistics and return management literature
• Case studies on the implementation of RMA policies

The use of different costing methods by a manufacturer and a potential supplier can have significant implications for make-or-buy decisions. Here’s the explanation:

• Standard Costing: This method involves assigning fixed costs to products based on predetermined standards. It simplifies cost control and variance analysis but may not capture all the activities involved in production.
• Activity-Based Costing (ABC): ABC assigns costs based on actual activities and resource usage, providing a more accurate picture of costs associated with specific products or services.
• Comparison for Make-or-Buy: When a manufacturer using standard costing considers outsourcing to a supplier using ABC, it must carefully compare the detailed activity-based costs with its own standard costs.
• Implications: Differences in cost allocation methods can reveal hidden costs or savings, influencing the decision to manufacture in-house or outsource. ABC may highlight inefficiencies in in-house production or justify the cost-effectiveness of outsourcing.
• Strategic Decisions: Understanding the true cost implications through detailed ABC can lead to better strategic decisions regarding resource allocation, production processes, and supplier selection.

References

• Horngren, C. T., Datar, S. M., & Rajan, M. V. (2015). Cost Accounting: A Managerial Emphasis. Pearson.
• Kaplan, R. S., & Cooper, R. (1998). Cost & Effect: Using Integrated Cost Systems to Drive Profitability and Performance. Harvard Business School Press.