Calculated key Figure for Group By

Question

I need a way to get the total amounts group by all the retailer that related to the root in BEx Query.
Just to explain myself clear, I'm putting the following dummy data.
In my current report I've the following:
Root     Retailer  Cancel($)    Gross($)  Other($)  NetSales($)
1001     1001      00.00          100.00      50.00     90.00
     1002      20.00          110.00      40.00     80.00
     1003      10.00          200.00     110.00    180.00
1004     1004      30.00          130.00     100.00    140.00
1005     1005      00.00          100.00      50.00     90.00
     1006      10.00          200.00     110.00    180.00
I need to show only the most current retailer and the totals of the amounts as below:
Retailer    Cancel($)    Gross($)  Other($)  NetSales($)
1003        30.00          410.00     200.00    350.00
1004        30.00          130.00     100.00    140.00
1006        10.00          300.00     160.00    270.00
I don't know how to do this. If some one help me on this with step description would be great.
Thanks
Nazmul

Answer 1

Hi,
This will be based done in the start routine of the data provider. Its very difficult to achieve this type of logic in front end.
Thanks..
Shambhu