Measuring Product Availability Product availability:a firm's ability to fill a customer's order out of available inventory Stockout:a customer order arrives when product is not available Product fill rate (fr):fraction of demand that is satisfied from product in inventory Order fill rate:fraction of orders that are filled from available inventory Cycle service level:fraction of replenishment cycles that end with all customer demand met SEIEE AU406 13+ - SEIEE AU406 13 Measuring Product Availability  Product availability: a firm’s ability to fill a customer’s order out of available inventory  Stockout: a customer order arrives when product is not available  Product fill rate (fr): fraction of demand that is satisfied from product in inventory  Order fill rate: fraction of orders that are filled from available inventory  Cycle service level: fraction of replenishment cycles that end with all customer demand met