This question has more than one correct answer, which all must be selected. Select all the statements that are true. Backward integration describes the practice of gaining control over supplies by acquiring a controlling interest in one or more of a company's major suppliers. m O Manufacturing firm typically enter into contracts with Tier 2 suppliers with the expectation that these suppliers will then incorporate the guidelines of these contracts into the agreements they in turn enter into with Tier 1 suppliers. Inventory is a stock of material used to satisfy customer demand or support the production of goods and services. The order-fulfillment process involves the activities to deliver a productor service to the customer. Work-in-process inventory is considered an input to the transformation processes of the firm