How do I add products, edit items, or add additional charges to a PO?

1. Click "Add Item" at the upper right of the "Item List" to add existing items to the PO. To create a new item, click "Create Item". 2. To edit an existing item, click "Edit" on the right side of its row. 3. To add an additional charge, click "Add Additional Charge" in the upper-right corner of the additional charges section and enter the relevant details. 4. Check the item amounts, total additional charges, and PO total, then click "Confirm" in the upper-right corner.