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FinanceDdb Method
Returns the depreciation of an asset using the double-declining balance method.

Namespace: Imsl.Finance
Assembly: ImslCS (in ImslCS.dll) Version: 6.5.2.0
Syntax
public static double Ddb(
	double cost,
	double salvage,
	int life,
	int period,
	double factor
)

Parameters

cost
Type: SystemDouble
A double which specifies the initial cost of the asset.
salvage
Type: SystemDouble
A double which specifies the salvage value of the asset.
life
Type: SystemInt32
A int which specifies the number of periods over which the asset is being depreciated.
period
Type: SystemInt32
A int which specifies the period.
factor
Type: SystemDouble
A double which specifies the rate at which the balance declines.

Return Value

Type: Double
A double which specifies the depreciation of an asset for a specified period.
Remarks
It is computed using the following:

\left[ {{\it cost} - {\it salvage}\left( 
            {\it {total\,depreciation\,from\,prior\,periods}} \right)} \right]\, 
            {{{\it factor} \over {\it life}}}

See Also