The document outlines a six step plan to source materials, manufacture a product, deliver it to customers, accept returns, and enable the whole process. It also contains charts showing the average daily inventory, average daily demand, and their relationship.

10. Plan
Source
Make
Deliver
Return
Enable

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16. 𝐴𝑣𝑒𝑟𝑎𝑔𝑒 𝑖𝑛𝑣𝑒𝑛𝑡𝑜𝑟𝑦 𝑝𝑒𝑟 𝑑𝑎𝑦
𝐴𝑣𝑒𝑟𝑎𝑔𝑒 𝑑𝑒𝑚𝑎𝑛𝑑 𝑝𝑒𝑟 𝑑𝑎𝑦