Which of the following statements is incorrect concerning process costing?

A.

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

B.

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

C.

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.

D.

Conversion costs include direct labor and manufacturing overhead.

E.

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