Sales are divided into tax-included sales and tax-excluded sales. Sales including tax is the price of what you sell, which includes the tax to be paid. Sales excluding tax are income that needs to be paid. Under normal circumstances, sales excluding tax will involve accounting treatment.
The total invoiced amount is sales including tax, and sales excluding tax = sales including tax /( 1+ tax rate or collection rate).
Sales amount = including tax when the total price is charged, including tax/1. 17 excluding tax.