Which of the following statements is incorrect concerning process costing?

A.Units started in department 2 during a period equal units in ending inventory for department 1.

B.The initial cost object differs between job costing and process costing systems.

C.Conversion costs include direct labor and manufacturing overhead.

D.Companies who adopt the weighted average method typically use a production cost report to track units and costs.

E.Equivalent units are used in a process costing system to address the difference in cost that should be assigned to a completed unit and to a partially completed unit.