- The document discusses inventory systems used by merchandising companies.
- It describes the periodic inventory system, where inventory balances are only updated periodically, typically at the end of an accounting period after a physical count. The perpetual inventory system continuously updates inventory balances after each purchase or sale.
- Different inventory costing methods are used to assign costs to inventory and cost of goods sold under each system, including specific identification, FIFO, LIFO, and weighted average.