Journalize the following merchandise transactions. The company uses the perpetual Inventory system. a. Sold merchandise on account, $12,000 with terms 2/10, net 30. The cost of the goods sold was $7,800. If an amount box does not require an entry, leave it blank. Accounts Receivable Cost of Goods Sold Inventory b. Received payment within the discount period. If an amount box does not require an entry, leave it blank. Cash Accounts Receivable