Key Takeaways
- Inventory valued at lower of cost or market.
- Prevents overstating asset values on financials.
- Write-downs reflect inventory value declines promptly.
What is Lower of Cost or Market Method?
The lower of cost or market (LCM) method is an inventory valuation approach that requires you to value your inventory at the lower amount between its original acquisition cost and its current market replacement cost. This conservative accounting method helps ensure your financial statements reflect realistic asset values by avoiding overstatement when market prices decline.
This approach aligns with GAAP principles, promoting transparency and accuracy in reporting inventory values.
Key Characteristics
The LCM method is defined by several important features that make it a conservative and practical valuation technique:
- Conservatism: It prevents overstating inventory by recognizing losses when market value drops below cost.
- Cost value: Refers to the historical acquisition cost, including materials, labor, and overhead, as explained in our cost overview.
- Market value: The current replacement cost, bounded by a ceiling and floor to avoid extreme valuations.
- Application basis: Can be applied on an item-by-item or aggregate inventory basis, with the item-by-item approach generally preferred for accuracy.
- GAAP compliance: Required under US GAAP for most inventory types, ensuring consistency and comparability across companies.
How It Works
Under the LCM method, you compare each inventory item's original cost to its current market replacement cost. If the market cost is lower, you write down the inventory to this lower value, recording a loss in your financial statements.
This process involves determining the market value within limits: the ceiling (net realizable value) and the floor (net realizable value minus normal profit margin). The method ensures inventory is not valued above the amount you can realistically recover, supporting prudent financial management.
Examples and Use Cases
Several industries apply the LCM method to maintain accurate inventory reporting during price fluctuations. Here are key examples:
- Airlines: Companies like Delta monitor spare parts inventory closely using LCM to reflect current market costs amid volatile pricing.
- Retail: Businesses adjust inventory values when product prices drop, helping manage financial risks related to obsolete stock.
- Dividend-focused investors: Understanding how companies like those featured in our dividend stocks manage inventory under LCM can indicate conservative accounting practices.
Important Considerations
When applying the LCM method, keep in mind it may lead to inventory write-downs that affect reported profits temporarily. However, this conservative approach provides transparency and prepares you for potential market downturns.
Regularly reviewing inventory valuations and understanding your company’s cost structure, including insights from cost management, is crucial. Staying compliant with GAAP ensures your financial statements remain reliable and comparable.
Final Words
The lower-of-cost-or-market method ensures your inventory is not overstated on financial statements by valuing it conservatively at the lower of cost or current market value. Review your inventory regularly using the item-by-item approach to maintain accurate asset values and comply with GAAP.
Frequently Asked Questions
The LCM method is an accounting approach that values inventory at the lower of its historical cost or current market replacement cost. It ensures conservative valuation to prevent overstating inventory on financial statements.
Companies use the LCM method to recognize declines in inventory value as soon as they occur, ensuring financial statements reflect realistic asset values and avoid misleading users about the true worth of inventory.
Market value is the current replacement cost of inventory but is limited by a ceiling (selling price minus costs to complete and sell) and a floor (selling price minus costs and a normal profit margin). This prevents overstating or understating inventory value.
LCM can be applied item-by-item, valuing each inventory item individually, or on an aggregate basis for the whole inventory. The item-by-item approach is generally preferred for its conservative and precise valuation.
Under GAAP, the lower-of-cost-or-net-realizable-value method is favored, where NRV is the estimated selling price minus costs to complete and sell. If market value falls below cost, inventory must be written down to that lower value.
When inventory is written down under LCM, the loss is recorded as an expense, either included in cost of goods sold if immaterial or as a separate loss line item if material, reflecting the reduction in asset value.
If inventory cost is $250 per unit but replacement cost is $140 and the net realizable value minus profit margin is $160, the market value used is $140, leading to a $110 per unit write-down to reflect the lower value.
GAAP mandates LCM to promote conservative accounting, ensuring companies do not overstate the value of inventory and provide financial statements that fairly represent the company's financial position.


