excise , cess problem

Hi,

I am working on indian version of navision 4.0 sp1.
I set up that Excise(16 %) and cess( 2%) in Excise posting setup.

When i select in structure in a sales order and post that sales order .In sales invoice report that excise amount+ cess amount are including in excise amount. But we dont want like that.
Example:
Excise amount = 233(excise(200)+cess(33))

What i would like to have
excise amount = 200
cess = 33
i saw that sales -post code. it related to many many tables.
Just i want seperately in sales invoice report.
Please provide solution. How to solve this problem. Iwnat excise and cess seperately in sales report .Please provide solution.

Thanks in advance