Role of Cycle Inventory in a Supply Chain Lot,or batch size:quantity that a supply chain stage either produces or orders at a given time For example,a computer store that sells an average of 4 printers a day The store manager,however,orders 80 printers from the manufacturer each time he places an order It takes an average of 20 days before the store sells the entire lot and purchases a replenishment lot. The computer store holds an inventory of printers because the manager purchases a lot size larger than the store's daily sales. SEIEE AU406 4+ - SEIEE AU406 Role of Cycle Inventory in a Supply Chain  Lot, or batch size: quantity that a supply chain stage either produces or orders at a given time  For example, a computer store that sells an average of 4 printers a day  The store manager, however, orders 80 printers from the manufacturer each time he places an order  It takes an average of 20 days before the store sells the entire lot and purchases a replenishment lot.  The computer store holds an inventory of printers because the manager purchases a lot size larger than the store’s daily sales. 4