The Finishing Department had 6,600 incomplete units in its beginning Work-in-Process Inventory which were 100% complete as to materials and 30% complete as to conversion costs. 18,200 units were received from the previous department. The ending Work-in-Process Inventory consisted of 3,600 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. How many units were transferred-out during the period?
a. 25,250 units.
b. 18,250 units.
c. 28,000 units.
d. 16,750 units.