Namlands Inc. calculates cost for an equivalent unit of production using the weighted-average method. Data for July: Work-in-process inventory, July 1 (36,000 units): Direct materials (100% completed) $ 122,400 Conversion (50% completed) 76,800 Balance in work in process inventory, July 1 $ 199,200 Units started during July 90,000 Units completed and transferred Work-in-process inventory, July 31: Direct materials (100% completed) units Conversion (50% completed) Cost incurred during July: Direct materials Conversion costs 102,000 24,000 $ 180,000 288,000 Total equivalent units for materials under the weighted-average method are calculated to be: 102,000 equivalent units. 96,000 equivalent units 126,000 equivalent units. 90,000 equivalent units. 114,000 equivalent units.