A Process Began the Month with 3000 Units in the Beginning

Multiple Choice

A process began the month with 3000 units in the beginning work in process inventory and ended the month with 2000 units in the ending work in process. If 22000 units were completed and transferred out of the process during the month how many units were started into production during the month?

A) 21000.
B) 23000.
C) 22000.
D) 20000.