How system is calculating depreciation by using Declining-Balance 1 method

Hi Friends,

I am using navision 2013 R2 Indian version.I have to calculate depreciation for my fixed asset,How system is calculating depreciation by using Declining-Balance 1 method, Is system calculate from Book value or Acquisition Cost?. Can anyone give idea please.

Thanks.

Look at this link
msdn.microsoft.com/…/hh165521(v=nav.90).aspx

Thanks Amol.