The DB() function will calculate the depreciation of an asset for a given period using the fixed-declining balance method. Month is optional, if omitted it is assumed to be 12.
De functie DB () berekkent de ôfskriuwing fan in kredytpost oer in opjûne perioade mei help fan de degressive ôfskriuwingsmetoade. Moanne is opsjoneel, by weilitten wurdt 12 as wearde oannommen.