Thanks, you can use the attached contract as a sample.
You can use the same invoice format that you currently use. Only thing that you should remember is to mention the expense items explicitly in the invoice. You can mention your service fee also in the same invoice.
Please mark your satisfactory level...
My Dear ,
I thank you for marking the answer as satisfactory.
I have noted.
It will be very nice and helpful to our other members (and the answerer too) if you mark your satisfaction level on the grade scale below.
Please feel free to mark any point. I don't share it with anyone. I use it for doing my internal calculations only. I use these calculations to evaluate the service performance of the relevant virtuoso.
Here is the grade scale:
Thank you,
Yours sincerely,
Anu, Thakurani's bestie