Serial Supply Chain with Deterministic Demand and Fixed Ordering Costs

2 Serial Supply Chain with Deterministic Demand and Fixed Ordering Costs 

A delivery is made to the warehouse only when the warehouse has zero installation stock and at least one retailer also has zero installation stock. 

Deliveries to any given retailer made between successive deliveries to the warehouse are of equal size. 

The first two of these properties comprise what is known as the zero-inventory ordering property, concisely stated by Zipkin (2000) that, under these demand and replenishment conditions, an optimal policy will 

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