Which of the following is true of a unit-based costing system? a. It estimates the time to perform one unit of activity. b. It assigns only manufacturing costs to products. c. It measures the demands that cost objects place on support activities. d. It offers greater product costing accuracy than an activity-based costing system. If unit-based product costing is used, which of the following would be traced directly to the product? a. inspection costs b. maintenance of machinery c. setup costs Od. direct labor In a department that is drilling holes in materials, which activity base is likely to be most appropriate for assigning overhead costs? a. machine hours b. direct labor hours c. units produced d. number of batches All of the following are unit-based activity drivers EXCEPT a. machine hours. b. direct labor hours. c. number of setups. d. number of units