Lesson 030 - Accounting for Merchandising Operations 4: Periodic and Perpetual Inventory System

The video introduces two main inventory systems: periodic and perpetual. The instructor asks viewers to download a handout for the lesson.

The periodic inventory system does not maintain detailed records of inventory throughout the year. Inventory balances are determined only by a physical count at the end of each accounting period.

The perpetual inventory system, in contrast, maintains detailed, real-time records of inventory. Every purchase and sale updates the inventory balance, providing continuous information for management decisions.

The lesson demonstrates recording a merchandise purchase. Under the periodic system, 'Purchases' is debited. In the perpetual system, 'Merchandise Inventory' is debited to continuously update the inventory balance.

Recording a return of defective merchandise differs between the two systems. Periodic uses 'Purchase Returns and Allowances', while perpetual directly credits 'Merchandise Inventory' to reflect the decrease.

Sales transactions are shown. Both systems debit 'Accounts Receivable' and credit 'Sales'. However, the perpetual system requires an additional entry to debit 'Cost of Goods Sold' and credit 'Merchandise Inventory' to record the cost of the sold items.

The video clarifies that purchasing assets like a computer set, which are not inventory for resale, is recorded identically under both systems (debit 'Equipment', credit 'Cash').

The process of paying a supplier with a purchase discount is illustrated. The perpetual system factors the discount directly into the 'Merchandise Inventory' account, aligning with IAS 2 which states inventory cost includes purchase cost less discounts.

Receiving payment from a customer who qualifies for a sales discount is detailed. Both systems record the cash received and the sales discount, but the perpetual system doesn't require an additional inventory update here as the inventory was already adjusted at the time of sale.

Finally, receiving payment from a customer after the discount period has expired is shown. Both systems simply debit cash and credit accounts receivable for the full amount.