Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
A perpetual inventory system is a method of keeping continuous, real-time records of inventory levels for each product. It updates automatically with every sale or return, using software to track changes and keep accurate counts.
The handling of the entire production flow of a good or service - starting from the raw components all the way to delivering the final product to the consumer.
Just: in-Time (JIT) Inventory - An inventory strategy companies employ to increase efficiency and decrease waste by receiving goods only as they are needed in the production process, thereby reducing inventory costs