Hi Sarah, you have calculated the order amount and added the option for the users to enter the membership discount, but you haven't calculated the net amount in the form. Calculate total amount Login to Neartail > click on the form to open it > Edit page will be displayed > In the Neartail Edit page, click on the Order Amount field to select it > click on the Add price field icon > select Net amount, click Next > select Standard calculation using NETTOTAL() formula, click Next > click Create.