20. The biggest difference between a periodic and perpetual inventory system? A. Uader the perlodic inventory system, the purchase of inventory will be debited to the Purchases account. B. Under the periodic inventory system, no journal entry is recorded at the time of the sale C. D. Under the perpetual inventory systems there is no purchase account to record acquisitions E. All of the answers are correct. of inventory for the cost of the inventory. allowances and discounts are calculated at the end of the month. of raw materials. Under the periodie inventory system, all adjustments such as purchases returns and