Lights Incorporated calculates cost for an equivalent unit of production using the FIFO method. Data for July: Work-in-process inventory, July 1 (38,000 units): Direct materials (91% 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 (91% completed) Conversion (52% completed) Cost incurred during July: Direct materials Conversion costs $ 122,200 77,700 $ 199,900 89,000 101,300 25,700 $ 171,500 269,000 Total equivalent units for conversion under the FIFO method are calculated to be