Which of the following statements is false? OA. A system that uses activity-based costing is more refined than one that uses departmental overhead rates. B. An activity-based costing system requires more information than a system that uses a single plantwide overhead rate. OC. Activity-based costing focuses on allocating indirect costs. O D. Activity-based costing can only be used by manufacturing firms.

Which of the following statements is false? A. A system that uses activity-based costing is more refined than one that uses departmental overhead rates. B. An activity-based costing system requires more information than a system that uses a single plantwide overhead rate. C. Activity-based costing focuses on allocating indirect costs. D. Activity-based costing can only be used by manufacturing firms