Kerner Manufacturing uses a process cost system to manufacture laptop computers. The following information summarizes operations relating to laptop computer model #KJK20 during the quarter ending March 31:
UnitsDirect Labor
Work-in-process inventory, January 1 200 $50,000
Started during the quarter 600
Completed during the quarter 500
Work-in-process inventory, March 31 300
Costs added during the quarter $720,000
Beginning work-in-process inventory was 50% complete for direct labor costs. Ending work-in-process inventory was 75% complete for direct labor costs. What are the total equivalent units of production with respect to direct labor? (apply the formula for the more commonly used weighted average method of calculating equivalent units)