The following transactions for the month of March have been journalized and posted to the proper accounts.

Mar.1 Martinez invested $10,000 cash in his new design services business.

Mar.2 Paid the first month's rent of $800

Mar.3 Purchased office supplies for $700 cash.

Mar.5 Billed a client for $12,000 of design services completed.

Mar.6 Received $7,600 on account for the services previously recorded.

-What is the balance in Cash ?

A)$14,100

B)$14,900

C)$15,600

D)$16,100