Final answer:
In a perpetual inventory system, no Purchases account is used, a Cost of Goods Sold account is continuously updated, and two entries are necessary to record a sale. Therefore, all of the provided answer choices are correct.
Step-by-step explanation:
When using a perpetual inventory system, several characteristics define its operation:
- No Purchases account is used since inventory is continuously updated.
- A Cost of Goods Sold (COGS) account is maintained to record the cost of inventory as it is sold.
- When recording a sale, two entries are typically required: one to record the revenue and another to record the cost of the goods sold.
In summary, all of the provided answer choices are correct:
- A Purchases account is not used.
- A Cost of Goods Sold account is used.
- Two entries are required to record a sale.