When completed units are sold: Finished Goods Inventory account is debited. Cost of Goods Sold account is credited. Finished Goods Inventory account is credited. Work-in-Process Inventory account is credited. Cost of Goods Manufactured account is credited.

C. Finished Goods Inventory account is credited.

Explanation:

In a perpetual system of inventory; which can be defined as a method of financial accounting, that involves the updating informations about an inventory on a continuous basis (in real-time) as the sales or purchases are being made by the customers, through the use of enterprise management software applications and a digitized point-of-sale equipment.

Under a perpetual system of inventory, updates of the journal entry for cost of goods sold or received would include debiting accounts receivable and crediting sales immediately as it is being made and Finished Goods Inventory account is also credited. The advantage of the perpetual system of inventory over the periodic system of inventory is that, it ensures the inventory account balance is always accurate provided there are no spoilage, theft etc.

Hence, when completed units are sold, Finished Goods Inventory account is credited.

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