An Invoice Amount tax is a traditional sales tax that is calculated on the invoice amount of a Ticket, Ticket Item and Delivery.
The formula is (Net weight x Sales Unit conversion factor x Unit Price) + Additional Fee x Rate.
Example of a Invoice Amount Tax
In the example below, HST is 13% of the selling amount. If you sold 10 tonnes of Material at $12.50/tonne the tax would be calculated as follows:
10 * 12.5 * 0.13 which is $16.25.
The total of the Material sale would be $141.25. The calculation is: