Matrix Inc. calculates cost for an equivalent unit of production using the weighted-average method. Data for July: Work-in-process inventory, July 1 (39,000 units): Direct materials (89% completed) conversion (54% completed) Balance in work in process inventory, July 1 $122,300 77,800 $200, 100 90,000 103,100 Units started during July Units completed and transferred Work-in-process inventory, July 31: Direct materials (89% completed) conversion (54% completed) 25,900 Cost incurred during July: Direct materials Conversion costs $172,500 270,000 Total equivalent units for materials under the weighted-average method are calculated to be: 90,000 equivalent units. 96,026 equivalent units. 126,151 equivalent units 117086 equivalent units. 103,100 equivalent units