X Company prepares monthly financial statements. On September 6, its accountant made an entry that resulted in a $66,000 increase in Cash and a $66, decrease in Accounts Receivable. Which of the following transactions is consistent with this entry? X Company

a. paid $66,000 to a supplier from whom the firm had previously bought merchandise on account

b. received $66,000 from a customer who bought merchandise with cash

c. received $66,000 from a new investor

d. received $66,000 from a customer who had previously bought merchandise on account

e. sold merchandise to customer on account for $66,000

f. borrowed $66,000 from a bank and signed a note