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Beware--Understand your Inventory Valuation!

From a day to day point of view what can happen with inventory is that an accounting entry is made with a varying degree of detail that has the effect of reducing expenses and at the same time increasing an inventory asset. Wow, that can sound really good; at the end of the year I can decrease my expenses and create an asset just with the stroke of an accounting entry. A tempting combination. Decreasing expenses shows more profit (or less loss) for the current period and increasing inventory creates a larger borrowing base for which to borrow funds. Both are key factors for the business owner, banker or investor. Inventory management involves subjective decisions that can substantially effect Profit and Loss. If not performed correctly, this process can produce very misleading results. When there is substantial inventory involved, if we do not understand how inventory is valued, we do not really understand the Profit and Loss of this year or next.


When we book inventory we are creating an asset from a cash expenditure of some sort. Depending on our accounting process, we either book a purchase directly to inventory and then expense it as we use it or we book it directly to expense and move the unused portion out of expense to inventory. Either way, you can see there is a significant direct impact on our expenses depending on how we handle inventory. So when we look at net income for a given period and there is significant inventory on the balance sheet, we are really only seeing a portion of what happened during that particular period. Some very important questions must always go along with this:

· At what cost level is the inventory being listed and how was it calculated?

· Does it include overhead, interest or depreciation?

· Is the value at the lower of cost or market value?

· How does inventory value fit into next year's profit and loss?

Without understanding the answers to these questions, the net income for this period might hide some interesting surprises for next year's net income.

From a text book point of view, inventory might be as simple as using one of the inventory turn formats such as first in first out (FIFO) at the direct purchase cost for the inventory; however, in a manufacturing or farming environment, it is not so simple. Work in process or valuing a finished manufactured product can become challenging and in the case of agriculture, the market value of the inventory item can change on a daily basis. Inventory, whether in a finished product form or work in process, needs to be translated to a finished cost of goods sold and compared to net realizable sales value.

Variable Cost

What I look for is that inventory be valued as an asset using the variable cost of bringing the item to that point (direct labor, ingredients, utilities, repairs, manufacturing overhead, etc.). Generally, I do not like to see general overhead, interest or depreciation included in inventory value. In all cases, however, I want to understand how overhead is included or not included in the inventory calculation.

Having said this, depreciation on manufacturing equipment will often be included with manufacturing overhead and both included in the cost of manufactured inventory. That situation will present the challenge of making sure that EBITDA (Earnings before Interest, Depreciation and Amortization) calculations are made backing out the correct level of depreciation. If depreciation was included in last year's inventory which will then roll out to this year's Cost of Goods Sold, calculating EBITDA must be done carefully by excluding only the amount of depreciation that is represented in the COGS and the pertinent annual expense category which can be different than the total depreciation shown on the depreciation schedule.