The Following Transactions Have Been Journalized and Posted to the Proper

The following transactions have been journalized and posted to the proper accounts. March is the first month of business operations. Mar, 1 The business received $\$ 10,000$ cash and issued common stock to stockholders.
Mar. 2 Paid the first month's rent of $800.
Mar. 3 Purchased equipment by paying $4,000 cash and executing a note payable for $5,000.
Mar. 4 Purchased office supplies for $\$ 700 \mathrm { cash }$ .
Mar. 5 Filled a client for $\$ 14,000$ of design services completed.
Mar. 6 Received $\$ 6,000$ on account for the services previously recorded. What is the ending balance in the Service Revenue account?

A) $16,000
B) $10,000
C) $14,000
D) $6,000