The Finishing Department had 6,100 incomplete units in its beginning Work-in-Process Inventory which were 100% complete as to materials and 30% complete as to conversion costs. 17,200 units were received from the previous department. The ending Work-in-Process Inventory consisted of 3,100 units which were 50% complete as to materials and 30% complete as to conversion costs. The Finishing Department uses first-in, first-out (FIFO) process costing.

What are the equivalent units of production for materials during the period?

14,200.

14,100.

15,650.

17,200.