X Company prepares monthly financial statements. On September 6, its accountant made an entry that resulted in a $48,000 increase in Cash and a $48,000 decrease in Accounts Receivable. Which of the following transactions is consistent with this entry?

X Company

1. sold merchandise to customers on account for $48,000.

2.received $48,000 from a new investor.

3.received $48,000 from a customer who bought merchandise with cash.

4.paid $48,000 to a supplier from whom the firm had previously bought merchandise on account.

5. received $48,000 from a customer who had previously bought merchandise on account.

6. borrowed $48,000 from a bank and signed a note.