To add items to an existing purchase invoice in VGM, follow these steps:
Navigate to the purchase invoice you want to edit (Financial > Purchase invoices).
Click the "New" Button just above the invoice item field.
In the new line, enter the following
Quantity: Input the quantity of item you want to add in the box to the left.
Description: Add a description of the item (E.g. include brand name, stock code).
Price: Input the price you want to charge for each tyre.
Once you've added all the necessary details, click the save icon (usually a floppy disk or similar symbol) located to the right of the invoice.
