dep= how much????

Block =15%

Opening wdv as on 1-4-2010  =5,00000 consist of 5 machineries

Addition during the year

as on 1-8-2010 for 1 lakh

as on 31-12-2010 for 2 lakh

Deletion during the year

5 old machinery sold for sold as on 12-3-2011 for  5,30,000 /-

(i)what will be the depriciation for A/Y 11-12

(ii)if only 2 old machinery  are sold at 5,30,000/-

what will be the dep???