A company that uses the periodic inventory system sold inventory for $15,000 cash (the cost of goods sold is $5,000). What journal entry or entries should be made at the point of sale? Select one: Oa. Debit Cash $15,000, Credit Sales $15,000, Debit COGS $5,000, Credit Merchandise Inventory $5,000 b. Debit Cash $15,000, Credit Sales $15,000, Debit Merchandise Inventory $5,000, Credit COGS $5,000 c. Debit Cash $15,000, Credit Sales $15,000, Debit Purchases $5,000, Credit Merchandise Inventory $5,000 d. Debit Cash $15,000, Credit Sales $15,000