Morty Industries, which uses a process$-$costing system, adds material at the beginning of production and incurs conversion cost evenly throughout manufacturing. The following information was taken from the company's accounting records:

Total equivalent units of materials: $6,500$

Total equivalent units of conversion: $5,900$

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: