Lights Incorporated calculates cost for an equivalent unit of production using the weighted average method. Data for July: Work-in-process inventory, July 1 (37,000 units): Direct materials (98% completed) Conversion (52% completed) Balance in work in process inventory, July 1 Units started during July Units completed and transferred Work-in-process inventory, July 31: Direct materials (98% completed) Conversion (52% completed) Cost incurred during July: Direct materials Conversion costs $ 122,500 76,950 $ 199,450 91,000 103,800 24, 200 $ 181,000 289,000 Total equivalent units for materials under the weighted-average method are calculated to be