Stoltenberg Co. had the following information for the month of June:

Work in process beginning inventory, June 1	2,000 units
Units transferred in	16,000 units
Work in process ending inventory, June 30	4,000 units

Beginning work-in-process inventory is 30 percent complete as to conversion. Ending work-in-process inventory is 50 percent complete as to conversion. Materials are added at the end of the process.

How many units were completed in June?

The equivalent units for materials under the weighted-average method are calculated to be?