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Relationships between supertypes and subtypes are called IS-A relationships.
Ending Inventory
Ending inventory is the value of goods available for sale at the end of an accounting period.
Inventory Total
The aggregate value of a company's raw materials, work in process inventory, and finished goods.
Weighted Average
A calculation method that assigns varying weights to different items or events, used to compute an average that reflects the importance or frequency of those items or events.
Perpetual Inventory System
A method of maintaining real-time records of inventory balances, updating the accounts after each purchase or sale.
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