| DDB Function |
Syntax
DDB(cost, salvage, life, period[, factor])
cost
Use: Required
Data Type: Double
The initial cost of the asset.
salvage
Use: Required
Data Type: Double
The value of the asset at the end of life.
life
Use: Required
Data Type: Double
Length of life of the asset.
period
Use: Required
Data Type: Double
Period for which the depreciation is to be calculated.
factor
Use: Optional
Data Type: Variant
The rate at which the asset balance declines. If omitted, 2 (double-declining method) is assumed. However, the documentation doesn't mention what other values are supported or what they mean.
Return Value
Double representing the depreciation of an asset.
Description
Returns a Double representing the depreciation of an asset for a specific time period using the double-declining balance method or another method you specify using the factor argument. The double-declining balance calculates depreciation at an differential rate that varies inversely with the age of the asset. Depreciation is highest at the beginning of the life of an asset and declines over time.
Rules at a Glance
life and period must be specified in the same time units. In other words, both must be expressed in units of months, or both must be years.
All arguments must be positive numbers.
Example
Dim dblInitialCost As Double Dim dblSalvageValue As Double Dim dblUsefulLife As Double Dim dblPeriod As Double Dim dblThisPeriodDepr As Double Dim dblTotDepreciation As Double dblInitialCost = 2000 dblSalvageValue ...
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