37 value: 100 points During a period, Department A finished and transferred 9oooo units to Department B. Of the 90,000 units, 18,000 were one-fifth complete with respect to direct labor at the beginning of the period and 60,000 were started and completed during the period. Also, during the period, 20,000 units were started but brought only to a stage of being three-fifths completed. Using the weighted-average inventory valuation method, the number of equivalent units of labor added by the end of the period was: O 90,000 units O 86,400 units. O 74,400 units. O 102,000 units. O 93,600 units