What is Depreciation?

The accounting procedure of allocating the acquisition cost of long-lived assets such as equipment and buildings as an expense over the period of use (the useful life). Typical methods are the straight-line and declining-balance methods.

Japanese name: 減価償却

Depreciation appears in 6 practice questions across 2 topics, including Business Strategy and Accounting Basics, Semiconductor industry and market.

Field: Business Strategy and Accounting Basics

The idea of depreciation

Manufacturing equipment and buildings are used to generate sales not only in the year of purchase but over many years. So instead of expensing the acquisition cost all at once in the year of purchase, it is expensed little by little over the useful life to match the revenue of each year. The amount expensed each year is the depreciation expense, and the acquisition cost minus accumulated depreciation is the book value. Land is considered not to lose value through use, so it is not depreciated.

Straight-line and declining-balance methods

The straight-line method depreciates the same amount every year: annual depreciation is (acquisition cost − residual value) ÷ useful life. The declining-balance method multiplies the book value at the beginning of each year by the same rate, so the expense is largest in the first years and shrinks over time. Under Japanese tax rules, the declining-balance method switches to equal annual amounts from the year the depreciation would fall below a set level (the guaranteed depreciation amount).

Semiconductor capital investment and depreciation

In a semiconductor fab, investment in manufacturing equipment is very large, so depreciation makes up a large part of costs. Depreciation is an expense that involves no cash outflow, so cash flow from operating activities is larger than profit by the amount of depreciation added back. For this reason, in equipment-heavy industries, people often look not only at profit but also at indicators with depreciation added back and at cash flow.

Try it: questions about Depreciation

Manufacturing equipment with an acquisition cost of ¥10 million is depreciated by the declining-balance method with a rate of 0.4 (ignoring any switch of method based on a guaranteed depreciation amount). Which is its book value at the end of the second year?

  1. A¥2 million
  2. B¥3.6 million
  3. C¥6 million
Show answer and explanation

Answer: B. ¥3.6 million

The declining-balance method multiplies the book value at the beginning of each year by the same rate to get the depreciation for that year. In year 1 it is 10 × 0.4 = ¥4 million, leaving a book value of ¥6 million; in year 2 it is 6 × 0.4 = ¥2.4 million, leaving a book value of 6 − 2.4 = ¥3.6 million. The expense is largest in the first years and shrinks over time, which is considered closer to reality for equipment whose value falls quickly because technology advances fast.

FAQ

When depreciation is recorded, does cash leave the company that year?

No. The cash was paid when the equipment was purchased, and depreciation is the procedure of allocating that amount as an expense to later years. That is why, in the cash flow statement, depreciation is added back to profit to obtain cash flow from operating activities.

Which is more advantageous, the straight-line or the declining-balance method?

The total expensed over the whole useful life is the same; what differs is how it is allocated to each year. The declining-balance method has larger expenses in the first years, so profit and tax are lower early on, while the straight-line method keeps the annual expense constant, so profit is steadier. The method is chosen according to accounting standards and tax rules and to how the asset loses value.

Depreciation in the explanations

Questions that mention Depreciation (6)

  1. Manufacturing equipment with an acquisition cost of ¥10 million is depreciated by the declining-balance method with a rate of 0.4 (ignoring any switch of method based on a guaranteed depreciation amount). Which is its book value at the end of the second year?
  2. Fabs place particular emphasis on keeping tool utilization high. Which is an appropriate reason?
  3. A semiconductor manufacturer bought new manufacturing equipment and paid for it in cash. In the cash flow statement, in which section is this payment reported?
  4. Among the costs of a semiconductor fab, which is generally classified as a variable cost?
  5. An inspection system with an acquisition cost of ¥12 million is depreciated by the straight-line method over a useful life of 5 years with a residual value of zero. Which is its book value (undepreciated balance) at the end of the third year?
  6. Compared with an IDM (integrated device manufacturer), which manufactures in its own fabs, which is a typical characteristic of a fabless company?

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Related terms

Fixed cost Income statement (P/L) Variable cost Photoresist IDM (integrated device manufacturer) Fabless Break-even point Foundry ABC analysis Contribution margin

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