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: 5,500

Total equivalent units of conversion: 4,700

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:

Multiple Choice

• 40%.
• 60%.
• 64%.
• 80%.
• some other percentage not listed.