Businesses that have inventory on hand must account for any inventory gain and loss at the end of an accounting period. Inventory losses are due to such things as theft, obsolete merchandise and broken or damaged goods. Businesses are required to take an on-hand physical inventory count of all merchandise at least once a year and then make an adjustment to inventory based on the loss discovered.
Periodic and Perpetual Methods
Companies with inventory use one of two common methods to account for that inventory: the periodic method or the perpetual method. The periodic method records all inventories into one account, where they remain until a physical inventory count is taken. When this occurs, the inventory account is credited for the difference. The perpetual method is a computerized method that records all inventories when they are purchased, and as they are sold the inventory gets credited out of the account immediately.
FIFO, LIFO and Weighted Methods
Companies use different types of methods to account for the sale of inventory. One is first in, first out, or FIFO, which means the first inventory purchased is the first inventory sold. This removes older items from the balance sheet first, and follows the logic that older items should be used up first to avoid obsolescence.
Last in, first out or LIFO, is another method and the exact opposite of FIFO. This method states the last inventory purchased is the first sold and the older items are reported as inventory. If the prices of inventory are rising, LIFO results in the lower cots of older items being reported as inventory.
Other companies use a method called weighted average, which measures the sale of goods based on their average cost.
Loss Due to Obsolete Merchandise
When a company takes a physical inventory count at the end of a period, it may discover obsolete or out-of-date merchandise. When this happens, the difference in cost needs to be recorded on the books to keep the inventory account as accurate as possible.
If a company has 100 items recorded on the books for $10 each, but it figures the items are really worth only $6 each, an adjusting entry needs to be made. In this case, an inventory loss journal entry of $400 would be debited to the Cost of Goods Sold account and $400 would be credited to the Inventory account. This reduces the cost of inventory shown in the bookkeeping records.
Inventory Loss Due to Damage
Often, a company accepts returns that are damaged goods. These goods are sometimes returned to the manufacturer, but not always. If they are not returned to the manufacturer, the company must write off the damaged goods so they are not part of the inventory count. To do this, the damaged stock entry would be a debit to Cost of Goods Sold and a credit to Inventory.
Inventory Loss Due to Theft
No matter how good a company's internal controls are, theft may sometimes occur. The difference between what the inventory is supposed to be and what it is calculated at is usually because of theft by employees and customers. The inventory account needs to be adjusted because of this. When theft is discovered during a physical inventory count, the business must debit the Cost of Goods Sold account and credit the Inventory account.
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