Which one of the following is NOT a form of inventory?

Annual demand of a product is $$50,000$$ units and the ordering cost is Rs. $$7,000$$ per order. Considering the basic economic order quantity model, the economic order quantity is $$10,000$$ units. When the annual inventory cost is minimized, the annual inventory holding cost (in Rs.) is ___________

Demand during lead time with associated probabilities is shown below:

Expected demand during lead time is ___________

The word Kanban is most appropriately associated with