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Part B Accounting systems and accounts preparation ⏐ 9: Non-current assets – depreciation, revaluation and disposal 129
Question
Depreciation
A business buys a machine on 1 January 20X2 for $10,000. It expects to use it for 4 years and then sell it for $2,000.
Calculate the annual depreciation charge and the net book value at 31 December 20X2, 20X3, 20X4 and 20X5 (the
expected sale date).
Answer
The annual depreciation charge is
4
000,2–000,10$
= $2,000
Depreciation Net book value
Cost to date
$ $ $
31 December 20X2 10,000 2,000 8,000
31 December 20X3 10,000 4,000 6,000
31 December 20X4 10,000 6,000 4,000
31 December 20X5 10,000 8,000 2,000
The net book value (NBV) of an asset is not equal to its net realisable value and so the object of depreciation is not to
reflect the fall in value of an asset over its life.
Another misconception is that depreciation provides funds to replace the asset at the end of its useful life. This is not the
case, there is no movement of cash when depreciation is calculated and charged in the income statement.
The
depreciable amount
is the total amount to be charged over the life of a non-current asset, usually its cost less any
expected 'residual' sales or disposal value at the end of its life.
1.4 Calculating depreciation
IAS 16 states factors that need to be considered in determining the useful life, residual value and depreciation method of
an asset.
•
Expected usage
with reference to the asset's expected capacity or physical output
•
Expected physical deterioration
through use or passing of time
•
Economic or technological obsolescence
(eg typesetters replaced by word processors)
•
Legal or similar limits
on the use of the asset (eg the expiry date of a lease)
The cost at which non-current assets are to be stated in the accounts is defined by the CA1985 and is, broadly speaking,
purchase price or manufacturing cost, plus incidental expenses.
The estimated residual value of an asset is a matter of judgement. If it is expected to be a relatively small amount in
relation to the asset
's cost, it is usually taken to be nil.
The expected life of an asset is again a matter of judgement. IAS 16 comments that an asset
's useful life may be affected
by the following points.
•
Pre-determined (eg leaseholds)
•
Directly governed by extraction or consumption (eg a mine or quarry)
•
Dependent on the extent of use (eg a motor car)
•
Reduced by economic or technological obsolescence (eg last year's fashions)
Key term
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