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Depreciation and Amortization
Definition

Depreciation is an accounting term that refers to the gradual reduction in value of tangible fixed assets such as buildings and computer systems. Amortization is similar but refers to intangible fixed assets such as patents, trademarks and copyrights.

By Jacqueline Emigh
(October 18, 1999) Whether you're talking about an investment in a new corporation or a patent on a new invention, most assets are more useful when first acquired than they are a few years later. Accountants use depreciation and amortization to spread out the costs of assets during the years a company uses them.

Accountants can choose from among a variety of depreciation methods, based on the specific characteristics of an asset, says Peter H. Knudson, associate professor of accounting emeritus at the Wharton School at the University of Pennsylvania in Philadelphia.

All methods try to distribute the cost or other basic value of assets, minus any leftover salvage value, over the asset's estimated useful life.

Generally Accepted Accounting Principles, a bible of sorts for certified public accountants, even lets a company use one method of depreciation in tax filings but another when reporting its earnings to shareholders. For the latter, companies will often spread some of their expenses over several years to boost profits while being honest with shareholders about the costs of doing business.

But in tax filings, companies typically want to take the biggest possible deductions as quickly as possible to lessen the tax bite.

Keeping Expenses in Check

Reporting small-ticket items such as individual PCs as "expenses" is an alternative to depreciation in tax filings. But federal tax law places strict limits on the amount that can be claimed as expenses.

The government is gradually raising the ceiling on a company's overall expenses that can be written off without being depreciated -- from $18,500 in 1998 to $19,000 this year and $25,000 in 2003, says S. P. Kothari, professor of accounting at MIT's Sloan School of Management in Cambridge, Mass.

At the same time, prices are falling on such IT items as individual PCs. Because of the coincidental collision of these two factors, a company might now be able to write off more computers through the expense method than before. Small businesses will be the biggest beneficiaries.

There are also different rules to distinguish between depreciation and amortization. All intangible fixed assets must be amortized on corporate financial statements. But some of these intangible items, such as trade names, can't be amortized in tax filings. "Anything that has an 'indefinite life' -- a life that just seems to go on and on -- cannot be amortized for tax purposes," Knudson explains.

As the pace of technological obsolescence has quickened, the federal tax code hasn't tended to keep pace. Under the tax laws, tangible fixed assets have been traditionally valued according to "physical life span," or the period of time they are expected to be functioning, operational or otherwise useful.

"But you might be lucky if your computer lasts two years without becoming obsolete" and needing to be replaced, Knudson observes.

In reporting earnings to shareholders, companies are more likely to use conventional straight-line methods, which depreciate the same amount of cost each year rather than depreciating more during the first few years after the purchase of a major asset. The reason: The straight-line method results in lower expenses -- and, consequently, higher profits -- in the first few years after the purchase. However, accountants tend to use various forms of accelerated depreciation in tax filings, especially when writing off IT investments.

Even if a company uses an accelerated method, it can switch to straight-line depreciation for the remaining life of the asset as soon as it reaches a point where straight-line depreciation allows it to write off the remaining value more quickly.

But it doesn't seem like any method of depreciation or amortization is entirely flawless. One negative aspect of accelerated depreciation, for example, is that companies write off less in their tax filings in an asset's later years -- until they invest in newer assets.





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