Haydn Corporation uses the weighted-average method in its process costing system. The ending work-in-process inventory consists of 10,000 units. The ending work-in-process inventory is 100% complete with respect to materials. The cost per equivalent unit for the period is $3.75 for material and $1.25 for conversion cost.

If the ending balance of work-in-process inventory account is $40,625, what is the percentage of completion with respect to conversion cost in the ending work-in-process inventory account?

A. 8% B. 92% C. 25% D. 31% E. None of the above