Answer:
D. transferred out during the process plus the units in the ending inventory.
Explanation:
Using the Weighted - Average process costing the equivalent units of production always equals the units completed and transferred plus equivalent units remaining in work in process.
Remember that to calculate the equivalent units remaining must multiplicate the units per the percentage of completion. In this case, the percentage is 100% of materials for the units remaining because were added at the beginning of the process.