Now that we have decided our order quantity and safety stock we can figure out when to reorder. Inventory can be supplemented in many ways. For example:
EOQ-function was first created for manufacturing industry. It was originally founded by Ford. W. Harris in 1913. He discovered that when manufacturing line was set from one product to another there will always be condemned production and time is spent to make new settings. On the other hand bigger manufacturing batches need more capital and storage room.