Structure for month and quaterly for entire year Urgent Please

Question

Hi All,
Jan-07     Feb-07     Mar 07     Q1-07         Avg
Dec 06     Jan-07     Feb-07     Avg Q1-07        Ytd
Apr 07     May 07     June 07     Q2-07       Avg
Mar 07     Apr 07     May 07     Avg Q2-07       Ytd
Jul-07     Aug-07     Sep-07     Q3-07        Avg
Jun-07     Jul-07     Aug-07     Avg Q3-07        Ytd
Oct 07     Nov-07     Dec 07     Q4-07            Avg    
Sep-07     Oct 07     Nov-07     Avg Q4-06          Ytd
Closing 07
"Dec 07
pm Jan08"
all these has to come as columns here v r defining the value for each month as well as quaterly. this structure v need to create can it b possible plz throw some light on this. v r not using any variable for this report.
Thanx in Advance
Priya

Answer 1

Thanx Manyak
I had to create the Restricted key fig for each much i hav to define it in the columns. after that i hav to restrict on quaterly basis for each quater and place it in the columns field and after that i hav to do avg for this values by using cal key fig.
What i had understand is correct r i need to add some thing to the above plz reply
Thanx
priya