Which would be an appropriate cost driver for the machining activity cost a) Machine setups b. Purchase orders c. Machine hours d. Inspections Use of activity-based costing will result in the development of a. one overhead rate based on direct labor hours. b. one plantwide activity-based overhead rate. c. multiple activity-based overhead rates. d. no overhead rates; overhead rates are not used in activity-based cost As compared to high-volume products, low-volume products a. require more special handling. b. require less machine setups. c. are frequently responsible for less overhead costs. d. None of these answers are correct