The following transactions for the month of March have been journalized and posted to the proper accounts. Mar. 1 The business received $8,000 cash and issued common stock to stockholders, Mar. 2 Paid the first month's rent of $600. Mar. 3 Purchased equipment by paying $2,000 cash and executing a note payable for $5,000. Mar. 4 Purchased office supplies for $550 cash. Mar. 5 Billed a client for $13,000 of design services completed. Mar. 6 Received $6,000 on account for the services previously recorded What is the balance in Accounts Receivable? O A. $6,000 B. $5,000 C. $13,000 D. $7,000