Zoom Robotics Produces Robotic Vacuum Cleaners

Multiple Choice

Zoom Robotics produces robotic vacuum cleaners. For the current month, Zoom has the following information and business transactions:
Beginning Balances: Raw Materials Inventory, $13,500; Work-In-Process Inventory, $16,000; and Finished Goods Inventory, $22,000.
Production data for the month: Direct materials, direct labor and manufacturing overhead costs totaling $73,000 were incurred in producing 4,000 robotic vacuums.
Ending Balances: Raw Materials Inventory, $15,000; Work-In-Process Inventory, $34,000; and Finished Goods Inventory, $13,000. What is the cost of the goods completed and transferred to the Finished Goods Inventory at the end of the current month?

A) $21,000
B) $39,000
C) $55,000
D) $77,000