Which one of the following statements is correct? process costing systems use periodic inventory systems. process costing systems assign costs to departments or processes for a time period. companies that produce many different products or services are more likely to use process costing systems. production is continuous when a job-order costing is used to ensure that adequate quantities are on hand.

Adrawback of short-term contracting as an alternative to making a component in-house is thata. it is the most-integrated alternative to performing an activity so the principal company has no control over the agent. b. the supplying firm has no incentive to make any transaction-specific investments to increase performance or quality. c. it fails to allow a long planning period that individual market transactions provide. d. the buying firm cannot demand lower prices due to the lack of a competitive bidding process.