Riverbed Limited had the following balances and transactions during the current year. 1. Beginning inventory 2. Purchases 3. Defective units returned to the supplier 4. Sales 5. Ending inventory 110 units at $6=$660 940 units at $6=$5,640 40 units at $6=$240 520 units at $11=$5,720 490 units at $6=$2,940 How would the journal entries be recorded under each system? (Credit account titles are automatically indented when the amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter 0 for the amounts. List all debit entries before credit entries.) No. Account Titles and Explanation Debit Credit 1. 2. 3. 4. (To record sales) 3. 4. (To record sales) (To record cost of goods sold) 5. (To record cost of goods sold) 5. Periodic Inventory System