12. When using the step-down method, once a service department's costs are allocated departments, nothing is ever allocated back to it. A) TRUE B) FALSE Answer: to other 13. The preferred cost driver for allocating central corporate support costs to products is either actual or estimated usage. A) TRUE B) FALSE Answer: 14. Joint costs from producing multiple products are allocated to main products and to by- products. A) TRUE B) FALSE Answer: 15. When using the step-down method of allocating service department costs, service departments provide support activities to A)producing departments only B) producing departments and other service departments C) service departments only D) producing departments and corporate central offices only