The following transactions for the month of March have been journalized and posted to the proper accounts. Mar. 1 The business received a $9,000 cash contribution from the owner. Mar. 2 Paid the first month's rent of $600. Mar. 3 Purchased equipment by paying $4,000 cash and executing a note payable for $5,000. Mar. 4 Purchased office supplies for $600 cash. Mar. 5 Billed a client for $10,000 of design services completed. Mar. 6 Received $8,000 on account for the services previously recorded. What is the balance in Accounts Receivable