Inventory Reserve Defined: How to Use in Accounting (2024)

Even for healthy, growing companies, it’s inevitable that not all of their inventorywill get sold 100% of the time. Some percentage of inventory will go bad or become obsolete.A business’s inventory reserve is its estimate of that percentage; it plays animportant role in correctly valuing the company’s inventory and, therefore, inpresenting a full picture of the business’s financial worth, health and flexibility.

What Is an Inventory Reserve in Accounting?

To create an accurate picture of the business’s inventory position,businesses estimate how much inventory won’t be sold and will eventually be writtenoff — the inventory reserve. Companies own raw materials, partially completed productsand finished goods. These items are all included in a company’s gross inventory.Business managers know that not all of their raw materials will be used and not all of theirfinished goods will be sold. That reserve is deducted from the value of gross inventories toarrive at the company’s net inventory position. Net inventory is typically whatappears on a company’s balance sheet.

In accounting terms, the inventory reserve is a “contra” asset balance sheetaccount that reduces gross inventory value to arrive at a company’s net inventory.Inventory accounts have a natural debit balance, meaning they are increased with debits.Contra asset accounts, like an inventory reserve, have natural credit balances and serve toreduce the value of their associated assets. But if you’ve never seen an inventoryreserve account appear on a financial statement balance sheet, don’t fret; companiestypically publish only the rolled up or netted high-level accounts. In this case, that wouldbe net inventory.

When an inventory reserve is created on the balance sheet, an expense of the same amount isincluded in cost of goods sold (COGS)on the income statement. By doingthis, the company is recognizing a cost today that won’t occur until some point in thefuture.

Inventory Write-Off vs Inventory Reserve: Timing is the main differencebetween an inventory write-off and an inventory reserve. An inventory reserve is the amountof inventory a business anticipates will not be sold in the future. An inventorywrite-off recognizes inventory that has lost value today.

There’s also a second difference. The inventory reserve is based on management’sestimate of what percentage of total inventory will not be sold in the future. It is lookingat inventory as a whole and not forecasting that any specific item in inventory will not besellable. In a write-off, management has identified specific inventory items that cannot besold or are overvalued and must be written off. Reserves are fluid and should be constantlyreevaluated; write-offs are specific and permanent.

Key Takeaways

  • An inventory reserve is a balance sheet item reflecting the value of inventory thatmanagement believes will never be sold.
  • Business managers use data from previous years, and their judgment, to decide the sizeof the reserve.
  • When an inventory reserve is created, an expense is also created and included in cost ofgoods sold on the income statement.
  • Software can easily and precisely track what inventory doesn’t get sold each year,which helps managers more accurately determine the inventory reserve in future years.

Inventory Reserve Explained

Despite a company’s best efforts, not everything in inventory may ultimately get sold.Sometimes inventories don’t sell because they’ve become obsolete. This oftenhappens with technology software and equipment. When a new, faster computer hits the market,no one wants to buy the older, slower computer. It may have to be sold at a discount —or it’s obsolete and may not ever sell.

Sometimes external changes make inventory outdated. The new connector and plug used onsmartphone accessories might sell like hotcakes, but if manufacturers switch to a fasterport, the accessories remaining in inventory may never get sold. Some inventory isperishable. Food and beauty products, for example, go bad after a certain date and legallycan’t be sold. And there’s often a certain percentage of inventory that getsdamaged, broken or stolen during the regular course of business.

For all these reasons, business managers must create an inventory reserve that reflects thevalue of inventory that might never be sold in the future.

How Does an Inventory Reserve Work?

To calculate an inventory reserve, managers track the percentage of inventories that werenever sold or spoiled in past fiscal periods. The percentage can be adjusted based on amanager’s evaluation of the current market environment or customer demand andpreferences.

The percentage is then applied to the company’s current gross inventory to calculate aninventory reserve, which is then deducted from gross inventory to arrive at thecompany’s net inventory. It is typically the company’s net inventory thatappears on the balance sheet.

Why Do Inventory Reserves Matter?

Reserves exists as an inventory managementpractice because they can influence a company’s bottom line, its ability toobtain debt or the terms of such debt. If a business consistently sees too much inventorygoing unused, it could signify a breakdown further up the supply chain between demand andsupply.

At the same time an inventory reserve is created on the balance sheet, an expense is createdand included in COGS on the income statement. COGS is subtracted from revenue, so —assuming revenue is constant — when COGS increases, net income decreases. Conversely,when COGS decreases, net income increases. Therefore, the inventory reserve has a directimpact on a company’s bottom line and supply chainresilience.

Companies can also use their inventory as collateral for loans. Banks may rely oncompanies’ valuation of their inventory when deciding how much money to lend and whatinterest rate to charge.

Function of Inventory Reserve

A company’s inventory reserve helps it present an accurate inventory position. Sinceinventory is an asset that can be sold to generate revenue or be used as collateral fordebt, awareness of a company’s inventory and its inventory reserve helps investorsunderstand a company’s worth and its future revenue opportunity.

Accounting for Inventory Reserves

Business managers must tally the current value of the company’s inventory in everyfiscal period to provide the most accurate and up-to-date picture of theorganization’s assets as business conditions change. Determining that value requiresaccounting for inventory reserves, which involvesmultiple steps. First, the total, or gross, inventories are valued at the lesser of theirmarket value or their cost under GenerallyAccepted Accounting Principles (GAAP).

Next, managers calculate the inventory reserve by looking at historical financial reports tolearn how much inventory wasn’t sold, as a percentage of revenue, in past years. Thatpercentage is then applied to the company’s gross inventory to estimate how much oftoday’s inventory may not be sold in the future.

Management has some flexibility to use judgment when calculating the inventory reserve. Afterreviewing actual data, they may determine that the current selling environment is better— or worse — than it was in the past and change the inventory reserveaccordingly. For example, new competitors may have arrived in the market that make it morelikely the company won’t sell all of its inventory, in which case the reserve mightneed to increase. Conversely, there could be an industrywide problem sourcing materials thathikes demand for the products a company has in inventory and increases the likelihood thatall of its inventory will sell out. In this case, the reserve might need to be lowered.

Then, gross inventory is netted against the inventory reserve to arrive at net inventory. Netinventory is the figure that appears on a company’s balance sheet.

In a related accounting step, when an inventory reserve is created on the balance sheet anexpense is also created and added to cost of goods sold on the income statement. By doingthis, a company’s income statements reflect today an expense that will be recognizedin the future.

Later, when managers acknowledge that a specific piece or pieces of inventory will not sell,an inventory write-off iscreated to take the pertinent items of inventory off the company’s books. On thebalance sheet, the amount of the write-off is deducted from gross inventory (using a credit)and the inventory reserve is reduced by the same amount (using a debit). The net inventoryamount remains unchanged because it already reflects loss that had been previouslyanticipated.

Once it’s recognized that inventory won’t be sold, management must write down theinventory immediately. Recognition of the loss cannot be spread over the course of a year,for example. However, companies can opt to retain inventory that has been written off inhopes that it will sell at some point in the future, or can be repurposed or sold for partsand materials. However, management will have to weigh the potential benefit of futurerevenue from that written-off inventory against the cost of warehousing the inventory andthe risk the inventory’s value will decline even further.

There may also be times when a product’s value drops below its cost but the businessstill believes it can be sold at a discount. In that scenario a write-down occurs. Anaccountant would recognize the lower value of the item and adjust the gross inventory andthe inventory reserve accounts accordingly.

Inventory Reserves & GAAP

GAAP standards and principles aremeant to make it easier for investors and analysts to compare different companies;accountants in public companies are obliged to follow GAAP in assembling financialstatements. A number of GAAP standards apply to inventory reserves. For example, the methodused to determine the size of an inventory reserve must be consistent from one year to thenext, and accountants must disclose any changes to that reserve method.

The GAAP principle of prudence — i.e., accountants are expected to use facts wheneverpossible and minimize speculation — also applies to inventory reserves. So, whenaccountants set inventory reserves, they mainly use historical write-off data to determinewhat percentage should be used when calculating the current year’s inventory reserve.

In addition, inventory write-offs should be recognized as soon as they occur. This fulfillsGAAP’s principle of periodicity, whereby companies are expected to report events inthe correct time period.

Inventory Valuation

Inventory is valued at either its cost or its market value, whichever is lower. To preventcompanies from inflating or underestimating their inventories’ value, a ceiling andfloor exist.

The ceiling states that the market value of the inventory must not be more than its netrealizable value, which is an estimate of the inventory’s future selling price minusits cost of sale, transportation or disposal. The floor states that the market value of theinventory must not be less than the net realizable value ofthe inventory minus the estimated profit realized from the inventory’s sale.

Inventory Reserve Example

Let’s look at an illustration of how inventory reserves work. Jane’s Pet Emporiumhas $100,000 of total, or gross, inventory. After looking at 10 years of financial reports,Jane determines that 1% of gross inventory never gets sold because pet food expires and asmall amount gets stolen or damaged. Jane’s accountant creates a $1,000 inventoryreserve as a contra asset account on the company’s balance sheet.

Gross inventory is netted against the inventory reserve, resulting in net inventory of$99,000. Net inventory is the figure that appears on Jane’s Pet Emporium’sbalance sheet. At the same time, a $1,000 expense is created and included in thecompany’s COGS.

Six months later, Jane takes stock of inventory and finds that $100 of pet toys have beenbroken and can’t be sold. Her accountants recognize that loss by reducing the amountof gross inventory to $99,900. They also reduce the inventory reserve to $900. By doing so,the loss is recognized but Pet Emporium’s net inventory remains unchanged at $99,000.

Net inventory is unchanged because Jane’s already anticipated the loss with itsinventory reserve. Likewise, the company’s expenses don’t increase at the timeof the write-off because the expense was recognized when the inventory reserve account wasestablished.

Fraudulent Uses of Inventory Reserves

Companies can commit fraud by incorrectly reporting the value of their inventory reserve.

A company might improperly increase the inventory reserve when business is booming eventhough the outlook on its ability to sell the inventory hasn’t changed. Boosting theinventory reserve will result in an expense on the income statement that artificiallyreduces income and taxes. The inventory reserve rolls over from one period to the next. So,in a year or two, when times are tougher, the company might fraudulently decrease itsinventory reserve and enter a “negative” expense in COGS, which boosts netincome. In this case, the company is improperly using its inventory reserve as a piggy bank,inflating it when times are good and withdrawing from it when times are bad to fraudulentlymanipulate earnings.

Another fraudulent use can occur when management wants to sell the company. It could reduceits inventory reserve because doing so would boost the value of net inventory and totalassets. A company with more assets should theoretically fetch a higher purchase price.

Auditors are expected to ask a company to provide an explanation anytime the assumptions usedto create an inventory reserve change. Companies must disclose the change, explain why thechange occurred, show the adjustment due to the change and restate prior financialstatements using the new accounting method. Not disclosing a change is fraudulent.

Manage Inventory Reserves With Accounting Software

Inventory software helps companies track their inventory position, reduce obsolete inventoryand keep inventory reserves and write-offs to a minimum. It also tracks how much inventoryis written off each year, giving managers the data needed to accurately estimate theirinventory reserve going forward. An accurate history of inventory write-offs prevents acompany from under-reserving for inventory and being caught with unexpected expenses in thefuture. It also prevents companies from over-reserving for their inventories, which wouldresult in an unnecessary expense today. Accounting software alsoensures that assumptions used in a company’s books are applied consistently from yearto year.

In addition to all this, NetSuiteInventory Management provides business managers with a real-time view of inventoryacross all locations and sales channels. It gives managers visibility into what inventoryhasn’t sold in the past, so they can more accurately forecast inventory reserves inthe future.

Properly valuing a company’s inventory is essential to understanding its net worth andfuture revenue opportunities. Creating an accurate inventory reserve presents businessmanagers and investors with a conservative look at a company’s net inventory position,because it recognizes future losses and expenses today.

Award Winning
Cloud Inventory

Free ProductTour(opens in new tab)

Inventory Reserve FAQs

How do you calculate inventory reserve?

To calculate an inventory reserve, review historical data to learn what percentage ofinventory is left unsold. Deduct a percentage from gross inventory to determine netinventory, which appears on the company’s balance sheet. Use discretion to change thepercentage of the reserve to reflect changing business conditions.

How does an inventory reserve account work?

An inventory reserve account is a “contra” asset balance sheet account thatreduces gross inventory value to arrive at a company’s net inventory. Contra assetaccounts, like an inventory reserve, have natural credit balances and serve to reduce thevalue of their associated assets.

Can you reverse an inventory reserve?

If more inventory is sold than was expected, then yes, the inventory reserve can be reversed.At the same time, COGS must also be reduced by an equal amount, since the inventory reserveis reflected as a COGS expense on the income statement.

What is inventory obsolescence reserve?

An obsolescence reserve is created when a company determines that specific items, or acategory of items, in its inventory are worth less than their book value. When that occurs,a company creates an inventory obsolescence reserve on its balance sheet and enters thedifference between the items’ book value and their current market value. At the sametime, an expense on the income statement would be recorded for the same amount.

Let’s consider the example of Jane’s Pet Emporium. It has 10 fancy dog beds ininventory that cost $50 each. The competition is offering a comparable dog bed for $30. Janedecides to recognize that her dog beds won’t sell for $50. She creates a $200obsolescence reserve by first calculating the difference between the cost of her dog bed andthe new expected market value of the dog bed ($50 - $30 = $20). She then applies thedifference in value to each of the 10 beds in inventory (10 x $20 = $200). At the same time,she creates an obsolete inventory expense for $200.

Inventory Reserve Defined: How to Use in Accounting (2024)
Top Articles
Latest Posts
Article information

Author: Cheryll Lueilwitz

Last Updated:

Views: 6080

Rating: 4.3 / 5 (54 voted)

Reviews: 93% of readers found this page helpful

Author information

Name: Cheryll Lueilwitz

Birthday: 1997-12-23

Address: 4653 O'Kon Hill, Lake Juanstad, AR 65469

Phone: +494124489301

Job: Marketing Representative

Hobby: Reading, Ice skating, Foraging, BASE jumping, Hiking, Skateboarding, Kayaking

Introduction: My name is Cheryll Lueilwitz, I am a sparkling, clean, super, lucky, joyous, outstanding, lucky person who loves writing and wants to share my knowledge and understanding with you.