X Company prepares monthly financial statements. On September 6, its accountant made an entry that resulted in a $42,000 increase in Cash and a $42,000 decrease in Accounts Receivable. Which of the following transactions is consistent with this entry?

X Company received $42,000 from a customer who bought merchandise with cash.

paid $42,000 to a supplier from whom the firm had previously bought merchandise on account.

received $42,000 from a new investor. borrowed $42,000 from a bank and signed a note.

received $42,000 from a customer who had previously bought merchandise on account.

sold merchandise to customers on account for $42,000.