Recording transactions in a general journal

Mar. 2 Sold merchandise inventory on account, terms n/30, to B. Kelp, issuing invoice no. 501 for $1,000 (cost, $680).

6 Issued credit memo to B. Kelp for $1,000 for merchandise returned to the business by the customer. Also accounted for receipt of the merchandise inventory at cost.

21 Purchased merchandise inventory on credit terms of 3/10, n/30 from Pond Co., $600.

28 Returned damaged merchandise inventory to Pond Co., issuing a debit memo for $600.

Journalize the above transactions that should be recorded in the general journal. If a transaction should not be recorded in the general journal, identify the special journal that should be used. Assume the company uses the perpetual inventory system