A company has the following transactions during March: March 3 Purchases inventory on account for $3,400, terms 3/10, n/30. March 5 Pays freight costs of $240 on inventory purchased on March 3. March 6 Returns inventory with a cost of $700. March 12 Pays the full amount due on March 3 purchase. March 29 Sells all inventory purchased on March 3 (less those returned on March 6) for $5,700 on account. Record all transactions, including the month-end adjustment to cost of goods sold, assuming the company uses a periodic inventory system and has no beginning inventory. (If no entry is required for a particular transaction/event, select "No Journal Entry Required" in the first account field.) Record month-end adjustment.