create a report with multiple group and sum of related column up to group column

[ruchika25chauhan]

group name	dr	cr
geoup 1	500	300
group 2	500	300
group 3	500	300
details 1	200	100
details 2	300	200

 

 

group 1 cr-sum of all credit of details 

group 2 cr -sum of all credit of details  and so on