Depreciation

Depreciation is a very important and real operating expense. Although it is a non-cash expense and does not require any current cash outflow, nonetheless it can’t be ignored in the financial statements. Capitalized cost of an asset is allocated through depreciation. There are various methods of depreciation and each has a different effect on the net income of the company.

Definition of Depreciation

It is defined as the methodical allocation of the cost of the asset over time. There are two terms that are of importance in this concept:

Historical Cost

Historical cost is the original cost of the asset that includes transportation and installation costs.

Carrying Value

Carrying/Book value is the net value of the company’s asset or liability on its balance sheet. For long-lived assets, book value is derived by subtracting accumulated depreciation from the historical cost of the asset.

Types of Depreciation Methods

Depreciation expense can be calculated using the following methods:

Straight-line

Straight-line is the most commonly used method for determining the depreciation for reporting. Under this method, depreciation amount remains same each year for the entire life of the asset.

Under this method it is calculated as follows:

Depreciation = (original cost- salvage value) / depreciable life

Accelerated

Under this method, an asset is considered depreciate more in the early years than the later. Hence, more depreciation is reported in the initial years of the life of the asset and less in the later years. As a result, the accelerated method lowers the net income in the initial years and increases it in the later years as compared to the straight-line method.

Double – Declining Balance

This is the most common accelerated depreciation method. Under this, the annual depreciation is calculated as:

DDB Depreciation = (2 / depreciable life in years) % * Book value at beginning of period

The salvage value is not used while calculating using this method. However, the depreciation expense is no longer reported once the asset’s book value is reduced to the salvage value.

Units of Production

Under this method, the basis for calculating depreciation is usage and not time. Thus, the depreciation will be higher when the asset is used more.

Units-of-production Depreciation = ( ( original cost – salvage value) / life in no. of units ) * no. of units in the year.

All the above-mentioned methods stop reporting depreciation expense once the book value of the asset reaches its salvage value.

Choice of Method

U.S. GAAP allows a company to use different methods of depreciation for reporting in financial statements and for reporting for tax purposes. However, this may not be the case in many countries. Most companies in the US prefer straight-line depreciation method for financial reporting purposes. For reporting for taxes, they use a type of accelerated depreciation known as Modified Accelerated Cost Recovery System (MACRS). This method helps in reducing taxable income and the taxes to be paid in the initial years of the asset’s life. Thus, the payment of a portion of taxes is deferred until the later part of the asset’s life.

In this case, where companies use straight-line method for financial reporting and an accelerated method for tax payments, the tax expense in the income statement is not changed. It causes an addition to the company’s deferred tax liability in the form of the difference between the tax expense and the taxes payable in the initial years. Later, the depreciation expense for tax purposes reduces then the depreciation expense on the income statement. This causes the deferred tax liability to reduce by the excess of income taxes payable above the tax expense.

The important thing to note is that the total depreciation over the life of an asset is same in all the depreciation methods. The only thing that varies because of the different methods is the pattern of the depreciation expense and the taxable income.

There is also an option to change the depreciation methods. A company may opt to use straight-line depreciation method after using accelerated method for some time. This change is treated as an accounting estimate change. The change is reflected in the current reporting period as well as prospectively. No retrospective changes are required.

Effect of Depreciation Methods on Net Income

The three methods of depreciation affect pre-tax income, tax expense, and other elements in different ways. The accelerated methods of depreciation cause the pre-tax income, income tax expense, net income and profit margins to be lower in the initial years and higher in the later life of the asset, as compared to that of straight-line depreciation method.

However, the values of depreciation, taxes, pre-tax income, net income and profit margin over the entire reporting period are not affected by the method chosen for depreciation.

Useful Lives and Salvage Values

The useful life of the asset and its salvage value is important for calculating the depreciation. An estimate of a longer useful life reduces the depreciation and hence, increases the net income. A higher amount of the salvage value also decreases the depreciation and raises the net income.

Conclusion

Different methods yield different outcomes on the financial statements. An analyst needs to understand and appreciate the effects of the depreciation expense. He should be able to differentiate between the company’s recorded depreciation expense and the economic depreciation, which is actually the real decline in the asset’s value over the accounting period. Such subtle observations help to uncover overstated profits.

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Last updated on : August 31st, 2018

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