Mortensen Industries, Which Uses a Process-Costing System, Adds Material at the Beginning

Multiple Choice

Mortensen Industries, which uses a process-costing system, adds material at the beginning of production and incurs conversion cost evenly throughout manufacturing. The following selected information was taken from the company's accounting records:
Total equivalent units of materials: 5,000
Total equivalent units of conversion: 4,400
Units started and completed during the period: 3,500
On the basis of this information, the ending work-in-process inventory's stage of completion is:

A) 40%.
B) 60%.
C) 70%.
D) 80%.
E) Some other percentage not listed.