One more point I missed related to dep posted in 2014 manually till March 2014
When you do afab , system will post dep in FI books I.e. Dep of Jan-Apr will be posted in Apr..
You need to also reverse the dep you posted manually in 2014
Accum dep Dr. 50000*3/12 = 12500
Depreciation Cr. 12500
Br. Ajay M