Final answer:
The journal entry to record goods completed and transferred out of the Assembly Department would include a debit to Finished Goods Inventory for $120,000 and a credit to WIP-Assembly Department for $120,000.
Step-by-step explanation:
The journal entry to record goods completed and transferred out of the Assembly Department would include a debit to Finished Goods Inventory for $120,000 and a credit to WIP-Assembly Department for $120,000.
This is because the cost of goods completed and transferred out of the Assembly Department is added to the Finished Goods Inventory account, while the corresponding cost is removed from the Work-in-Process (WIP) Assembly Department account.