Internal Table...

My internal table it contains Customer Number, material number , price , to_date and from_date....

I sorted Internal table in this way:

sort it by cust_no mat_no from_date descending....

in this each customer contains many material numbers...

my problem is ....

i have to display a report in this way...

for each customer i have to display recents 3 prices for each material i.e. material price for 3 recent dates...

plzz help me out..

its urgent