1. Add a new product: Click the , this will add a new empty product box below the existing product.
If you have multiple products, click the for the product you want your new product to appear after (this order is how they will display in the invoice).
2. Select the new product: Select the right quantities and date. You will notice the participant details should have carried over.
3. (Optional) Delete the old product: Click the corresponding with the old product you want to delete.
4. Save Order
Single New Product
Q. The product I added didn't appear where I wanted it to.
A. Most likely added your new product under the wrong product.
Multiple New Products
Q. Why didn't it save in chronological order?
A. To save things in chronological order, your products need to be added and the order Saved one product at a time. Adding multiple products and then saving will jumble the order.