In this video tutorial, I have taught you first how to calculate depreciation under DDB method first and then I have computer same with financial function named DDB through automatic formula. You will the answers of both will be same. So, this way, you will understand ddb function in excel more easily.
http://www.svtuition.org/2012/06/double-declining-balance-method-of.html
http://www.svtuition.com/2012/06/how-to-use-ddb-function-in-excel.html
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