Which term refers to materials that have been issued to a manufacturing order but not yet completed into finished products?

The term that describes materials that have been issued to a manufacturing order but are not yet completed into finished products is "Work-in-Progress Inventory." This term specifically refers to all the items that are in the process of being manufactured but haven't yet reached completion. These items can include partially assembled products, components that are undergoing transformation, and any direct labor and overhead related to the partially finished goods.

Understanding this concept is essential in manufacturing processes because it allows companies to better track production efficiency, manage costs, and optimize inventory levels. Work-in-Progress is a crucial category in accounting, as it affects how companies assess their operational effectiveness and financial health.

As for the other options, supply inventory relates to materials held as a reserve, raw materials refer to unprocessed materials that have not been started in production, and finished goods inventory comprises completed products that are ready for sale. Each of these terms describes a different phase or category of inventory in the manufacturing process, distinguishing them from the specific definition of Work-in-Progress Inventory.