Section: Supply Chain Strategy, Design, and Compliance

The desired service level is the key determinant of safety stock for finished goods because it directly influences how much stock is needed to meet customer demand without stockouts.
* Customer Satisfaction: Higher service levels ensure higher availability of products, leading to better customer satisfaction and loyalty.
* Demand Variability: The desired service level takes into account the variability in demand, ensuring that there is enough buffer stock to cover unexpected demand spikes.
* Inventory Costs: Balancing service levels with inventory costs is crucial. Higher service levels require more safety stock, which increases holding costs.
* Supply Chain Responsiveness: Setting appropriate service levels helps maintain a responsive and reliable supply chain, essential for meeting market demands efficiently.
References:
* Silver, E. A., Pyke, D. F., & Thomas, D. J. (2016). Inventory and Production Management in Supply Chains. CRC Press.
* Chopra, S., & Meindl, P. (2016). Supply Chain Management: Strategy, Planning, and Operation.
Pearson.

When the number of warehouses increases, transportation costs between manufacturing facilities and warehouses are likely to increase. This is because each additional warehouse introduces new destinations for shipments, leading to more frequent and smaller shipments from manufacturing facilities to each warehouse.
This fragmentation of shipments generally increases the total transportation costs, as larger shipments are typically more cost-effective due to economies of scale. Additionally, managing a larger number of shipping routes can add complexity and logistical costs.References:
* "Logistics and Supply Chain Management" by Martin Christopher
* "Designing and Managing the Supply Chain" by David Simchi-Levi, Philip Kaminsky, and Edith Simchi-Levi