Sales Tax Procedure in Sale invoice

Dear All,

As per requirement i need to Configure below Scenario:

We are doing a processing Business. Taxes exempted here.

So For Sale of Goods, There is no Sales tax(VAT/CST) in my company.For FFew material VAT is there.

We are in ECC6.0 but using TAXINJ.

Now the requirement is We will do some services to other firms. So when we raise a Service sale invoice, i need to add service tax amount invoice itself.

Eg:

Base Amount 100

Service Tax: 10

E cess 1

Add e cess 0.50

-------

Total 111.50

Any one help me in this regard.

Suppose i want to change from TAXINJ to TAXINN, what are the things & Config should be changed.

Rgds,

Manoj Kumar Pedada

SAP FI/CO Consultant