If it is determined that a Consumable must be referred to as a Product, you do not have to delete that item from the Consumable Catalog and add to the Product Catalog. The Consumable Catalog saves you some time by enabling you to easily transfer that item to the Product Catalog.
To move a Consumable to the Product Catalog.
Click Consumable Catalog.

The Consumable Catalog appears.Click the item you want to move, then click the Change dropdown and select Move Selected Items to Product Catalog
A confirmation dialog appears.

Click Yes.
Quantify moves the selected item, then displays and acknowledgement dialog.

Click OK.