Depreciation of Actual Assets with group Assets

Dear Friends,

I have configured Group Assets scenario and it is working fine for postings but in depreciation I am facing the problem,

Let me tell you clearly.

1. I have created Group Assets - 10000 with depn start date 01042011.

2. I also created actual assets -20000 assigned it to group assets 10000 & Actual assets Depn start date is 01052011.

3. i have done the inward for actual assets.

Now when i look asset explore at group assets level it is calculating depn for actual assets 20000 from 01042011 I mean from Group Assets depn start date.but i want it to calculate depn from actual assets Depn start date(from 01052011).

can any one help to resolve this issue please ?

Thanks,

UmeshGowda.