SYD
Category: Financial Function.
Description: Returns the sum-of-years digits depreciation of an asset for a specified period.
Syntax: SYD(cost, salvage, life, per)
The SYD function syntax has the following arguments:
Cost: initial cost of the asset.
Salvage: value at the end of the depreciation.
Life: number of periods over which the asset is depreciated.
Per: the period and must use the same units as life.