Question: Shroom and Board produces mushrooms that are sold to grocery stores throughout the Southeast United States. Shroom and Board accounts for production costs using the FIFO method of process costing. All direct materials are assumed to be added at the beginning of the period, while conversion costs are added uniformly throughout production. Shroom and Board started production of 24,500 units in July. During July, 25,000 units were completed, while 1,000 units remained in ending work-in-process. Management estimates that beginning work-in-process inventory was 100 percent complete for direct materials and 60 percent complete for conversion costs. Ending work-in-process inventory was estimated to be 100 percent complete for direct materials and 30 percent complete for conversion costs. The company reported the following production costs for July: Direct Materials Conversion Costs Beginning WIP costs $ 3,500 $ 2,500 Costs added in the current period $ 60,000 $ 60,000 Required: How many units were in beginning work-in-process inventory on July 1?