Select each of the items with the best description of its purpose. Description 1. Holds costs of finished products until sold to customers. 2. Holds costs of materials until they are used in production or as factory overhead. 3. Describes the activity and output of a production department for a period. 4. Notifies the materials manager to send materials to a production department. 5. Used when materials move continuously through a manufacturing process. 6. Holds indirect costs until assigned to production. 7. Combines units and costs across two periods in computing equivalent units. Items