Structure for month and quaterly for entire year Urgent Please

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