How do I edit the contents and items of a Proforma Invoice in V5?

1. Open the Proforma Invoice and first verify the number, buyer, amount, and payment status at the top. 2. Click "Edit" in the upper-right corner to make the required changes. 3. Under "Item List (1)", verify the specifications, unit prices, and quantities. Double-click an editable cell, then press Enter to save or Esc to cancel. To add items, click "Add Items" or "New Item". 4. To add extra charges, click "Add Additional Charge" under "Additional Charges". 5. After confirming the contents, click "Submit" in the upper-right corner.