A company has the following transactions during the month: 1) Sales on account for $1,300, Cost of Goods Sold is $500. 2) Sales for cash for $2,100, Cost of Goods Sold is $700. 3) Purchased $500 of merchandise with cash. 4) Borrowed $5,300 cash with a notes payable from a local bank. 5) Received $900 from a customer in payment of a previous sale on account. 6) Purchased $900 of merchandise on account. The amount to be credited to Sales Revenue in the cash receipts journal would be ________.