Tax inclusive:
If you select this, it means that Tax is included in the amount you are charging.
Tax Exclusive
This means that 10% Tax will be charged in addition to invoice amount.
You'll find see this on the bottom right of the client billing page

If you select this, it means that Tax is included in the amount you are charging.
This means that 10% Tax will be charged in addition to invoice amount.
You'll find see this on the bottom right of the client billing page