NGWS SDK Documentation  

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DDB Function

Returns a Double specifying the depreciation of an asset for a specific time period using the double-declining balance method or some other method you specify.

DDB(cost, salvage, life, period[, factor])

Arguments

cost
Required. Double specifying initial cost of the asset.
salvage
Required. Double specifying value of the asset at the end of its useful life.
life
Required. Double specifying length of useful life of the asset.
period
Required. Double specifying period for which asset depreciation is calculated.
factor
Optional. Objectspecifying rate at which the balance declines. If omitted, 2 (double-declining method) is assumed.

Remarks

The double-declining balance method computes depreciation at an accelerated rate. Depreciation is highest in the first period and decreases in successive periods.

The life and period arguments must be expressed in the same units. For example, if life is given in months, period must also be given in months. All arguments must be positive numbers.

The DDB function uses the following formula to calculate depreciation for a given period:

Depreciation / period = ((cost – salvage) * factor) / life

See Also

Example

FV Function | IPmt Function | IRR Function | MIRR Function | NPer Function | NPV Function | Pmt Function | PPmt Function | PV Function | Rate Function | SLN Function | SYD Function