The unit-costing method that excludes prior-period work and costs in computing current- period unit work and costs is called the a. FIFO costing method. b. transferred-in cost method. c. weighted average costing method. d. equivalent units method. Equivalent units are the incomplete units that could have been produced given the total amount of effort expended. True False In firms with ending work-in-process inventories, output is measured using equivalent units. True False The appropriate cost accounting system to use when inventory items are produced on an assembly line is a. process costing. b. the perpetual method. c. job-order costing. d. weighted average