Martin Supply Service Received $1,000 Cash from a Customer Which

Martin Supply Service received $1,000 cash from a customer which was owed to the business from the previous month.What is the effect of the cash receipt on the accounts of the business?

A) Accounts receivable decreases; Owner's capital account decreases.
B) Cash account increases; Accounts receivable decreases.
C) Accounts payable increases; Owner's capital account decreases.
D) Cash increases; Accounts payable decreases.