Purchasing Setup in 11i

@10%

 Dear All,

      We are creating a Purchasing Set up for Tele Calls and the agreement will be for 3years with monthly billing. The Billing components include following.

For workstation Charges
	Number of workstation	50
	Charges	20000
		1000000
(+)	Additional activity	5000
(+)	FOS charges	55000
(-)	Verifiers Salary	15000
(-)	Penalty	100000
		945000
(+)	Service Tax @10%	94500
(+)	Education Cess@2%	1890
(+)	Higher Education Cess@ 1%	945
		1042335

   Please suggest how it can be done.

Thanks

Bhupati