The following production data were taken from the records of the Finishing Department for July: Inventory in process, July 1, 40% completed 4,000 units Transferred to finished goods during July 37,500 units Ending work in process during July, 20% completed 3,500 units Determine the total equivalent units for direct materials, assuming that the first-in, first-out method is used to cost inventories. Assume that all direct materials are placed in the process at the beginning of production.