What is the primary difference between a periodic inventory system and a perpetual inventory system?

• A. Periodic inventory system updates inventory records at the end of the period, while perpetual updates continuously.
• B. Periodic inventory system uses a single account for all transactions, while perpetual uses multiple accounts.
• C. Periodic inventory system does not require physical inventory counts, while perpetual does.
• D. Periodic inventory system updates inventory records continuously, while perpetual updates at the end of the period.

Answer: (A)