Hi Todd, you have added the tax calculations in your form. To calculate the net amount including the tax, please follow the instructions below. Setup tax for product (Already set up in your form) Login to Neartail > click on the form to open it > Edit page will be displayed > In the Edit page, click on the gear icon next to the product > update the tax percentage and click Save. Repeat the steps to update the tax percentage for other products. Calculate tax (Already set up in your form) In the Edit page, click on the Add price field button > select Tax, click Next > select Standard calculation using TAX() formula, click Next > click Create. Calculate total amount (To be added in the form) In the Edit page, click on the Add price field button > select Net amount, click Next > select Standard calculation using NETTOTAL() formula, click Next > click Create.