Merida Accounting Services completed these transactions in March: Mar 1. Purchased office supplies on account, $300. Mar 2. Completed work for a client on credit, $500. Mar 3. Paid cash for the office supplies purchased on (Mar 1). Mar 4. Completed work for a client and received $800 cash. Mar 5. Received $500 cash for the work described on (Mar 2). Mar 6. Received $1,000 from a client for accounting services to be performed in March. Prepare journal entries to record the above transactions. Explanations are necessary.