What is a Periodic Inventory System + When to Use it

What is a Periodic Inventory System + When to Use it

  • January 27, 2021

For the periodic inventory method, there’s no need to continually record the inventory levels. Only the beginning and ending balances are needed, often completed by a physical count to calculate inventory value. Because updates are so infrequent in a periodic inventory system, no effort is made to keep real-time records of customer sales, inventory purchases, and the cost of goods sold.

  • Having more accurate tracking of inventory levels also provides a better way of monitoring problems such as theft.
  • It’s straightforward to calculate the cost of goods sold using the periodic inventory system.
  • For many small businesses, this method is a perfect solution and makes a lot of sense.

It doesn’t, however, account for broken, damaged, or lost goods and also doesn’t typically reflect returned items. It is why physical inventories are necessary, to accurately reflect how many tangible goods are in a store or storage area. A perpetual system is superior to a periodic system in many ways, especially for companies that are considering their longevity. Implementing a perpetual system earlier in the company’s inception enables staff to have a long-term record of the inventory and also keeps the business from growing out of a periodic system one day.

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It’s difficult to maintain control of inventory or identify losses using the periodic inventory system. Since your inventory is only being counted at specific times, it’s impossible to navigate instances of theft, especially if inventory counts are only done once a year. Instead, this cost method relies on simpler record-keeping methods — which can help you reduce the total cost of inventory management by eliminating an additional software cost. This system involves inventory management software, which gives up-to-date and accurate data on inventory levels and the cost of goods sold (COGS).

It continuously updates inventory records to account for purchases, sales, and other inventory-related transactions. One of the main differences between these two types of inventory systems involves the companies that use them. Smaller businesses and those with low sales volumes may be better off using the periodic system. In these cases, inventories are small enough that they are easy to manage using manual counts.

Without real-time inventory information or gross profit data it is difficult to optimise operations for greater business success. But the periodic inventory system can still be a good option if your small business has limited resources and straightforward inventory needs. And miscounting items or transposing numbers can lead to inaccuracies in the landing page report inventory records. The periodic inventory system is particularly well-suited if you own a small business that maintains minimal inventory. At the end of the month, the store does a physical count of inventory and finds it has $7,000 worth of inventory remaining. In the periodic inventory system, you start by recording your beginning inventory.

What Is FIFO Perpetual Inventory Method?

LIFO means last-in, first-out, and refers to the value that businesses assign to stock when the last items they put into inventory are the first ones sold. The products in the ending inventory are either leftover from the beginning inventory or those the company purchased earlier in the period. In this example, we also say that the physical inventory counted 590 units of their product at the end of the period, or Jan. 31.

Resources for Your Growing Business

In the end, picking between a perpetual and periodic inventory system — and the right inventory valuation method — really depends on what works best for your specific business and resources. You record any purchases made throughout the period but don’t update inventory levels for sales. Some small businesses may also choose the periodic system because of its affordability.

Account in General Ledger when things to be resold are purchased; inventory is not updated. Here are some common questions that business owners have about periodic inventory systems with answers to give you some guidance. To calculate the cost of goods available, add the account total for purchases to the inventory’s initial balance. In this article, the use of LIFO method in periodic inventory system is explained with the help of examples. To understand the use of LIFO in a perpetual inventory system, read “last-in, first-out (LIFO) method in a perpetual inventory system” article.

Periodic Weighted Average Costing (WAC)

Technology advances have enabled businesses to track inventory with exceptional detail, including real-time stock counts and forecasts based on artificial intelligence (AI). When a business sells merchandise, only one journal entry is made to recognize the sale. When dealing with a periodic inventory, you’ll likely find yourself journalizing transactions, especially at the end of the year. This simplicity in use also makes the system more cost-effective, as it can be managed manually, and businesses won’t need to hire a trained bookkeeper or invest in expensive accounting software. Hence, the system is easier to implement, requires little accounting knowledge, and records changes in inventory through very few simple calculations. Sales and expenses for these companies are easily manageable, so they tend to opt for a periodic inventory system, as it’s more cost-effective to implement.

In this example, let’s say the physical inventory counted 590 units of their product at the end of the period, or Jan. 31. Periodic inventory can also be more prone to human error as it relies on physical inventory audits rather than a more automated system that’s tracked digitally. By the time a physical count is completed, there may be inventory reconciliations needed to address stock discrepancies. Recordkeeping in a periodic inventory system may also become more time-consuming as your business grows and you add more inventory items.

Periodic inventory vs perpetual

Technically, you don’t have to invest anything except for the time it takes to do a physical inventory. Furthermore, your costs will never technically rise as long as you are prepared to put in the effort. Physically counting the inventory is something you can do whenever you want. Periodic inventory accounting has several advantages, chief among them being its ease of use and low cost of implementation. In accounting, the cost of goods sold is considered an expense and can be recognized on a financial statement called the income statement.

As the name implies, the perpetual inventory technique of accounting inventory involves tracking inventory ‘perpetually’ as it moves through the supply chain. Again, the periodic inventory method is the way to go if you want the most straightforward system possible. With this alternative, you do not need to invest in expensive software solutions.

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