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/>How to Use Accounting as Strategy
Accounting isn't just a necessary evil; sometimes the methods used can be a key part of your
business strategy.
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Dear Jeff,
I'm starting a business and I know very little accounting. Does it make a difference which type of
inventory accounting method I use? Or does it all work out the same?
Name withheld by request
A lot depends on the nature of your business. In some cases accounting methods can actually be
part of your business strategy; inventory accounting is one of those methods.
Background first. There are four basic inventory accounting methods:
Specific identification
Weighted average
First-in, first-out (FIFO)
Last-in, first-out (LIFO)
Specific identification carries items on your books at their actual cost. Specific identification is
typically used for major (meaning expensive) commodities like cars, jewelry, or sophisticated
equipment. That's fine if you have 20 Rolexes in your display case but it's not so convenient if
you carry hundreds or thousands of products.
Weighted average is typically used when products are physically indistinguishable or easily
substituted, like commodities. Under the weighted average method every unit in inventory is priced
using an average of the cost of all items in inventory. Say you buy 20 barrels of oil at $100, 20
barrels at $110, and 20 barrels at $120; your average cost is $110. Under the weighted average
method when you sell a barrel of oil you assume your cost was $110, regardless of what you
actually paid for that individual barrel.
Since most businesses don't mostly carry expensive items or commodities, most businesses use
LIFO or FIFO inventory accounting.
Under FIFO the assumption is that the oldest inventory is used first. (In many businesses that is in
fact what happens, regardless of the accounting method.) As a result, the ending inventory is
valued on your balance sheet at a cost closest to the current cost since prices tend increase over