Purple Corporation uses the weighted average method in its process costing system. Data for its work in process department foll OWS: Units Materials % Conversion costs % complete complete Beginning work in process inventory 86,000 20% 4096 Ending work in process inventory 48,000 4096 60% Units completed and transferred out 580,000 Units started during the period 500,000 Compute equivalent units of production for conversion costs for the period. O 528,800 614,400 534,400 608,800