Novak - Rafa Tennis Company produces tennis balls sequentially in two processes in two departments. At the beginning of a period, Department 2 had 3000 units, which were 50 per cent are to conversion cost. During the period, 15 000 units were completed and transferred from Department 1 to Department 2. At the end of the period, Department 2 had 4000 units, which were 20 percent are to conversion costs. How many units were completed and transferred from Department 2 during the period?

Select one:

14 000

12 500

15 700

11 000