Query for Cross Tab Crystal Report

Question

Dear Friends,
I have to make a cross Tab Report in my Application, I am new to this Requirement(Cross Tab).
please need your help.my report format is as below.
                                          
                                                                Fromdate:      ToDate:

MONTH

Oct-10

Nov-10

Dec-10

Jan-11

Feb-11

Mar-11

TOTAL

NET SALES

COMISSION

SIX MONTHLY MGM

BAL TO PAY

SALES REQUIRED

total qu val

637500

566666.7

85000

80000

-5000

-37500

TOTAL

SALES REQURED