a company performed tax services for a client on account the amount billed to the client was 9000 how does this transaction affect the accounting equation

A company performed tax services for a client on account. The amount billed to the client was $9.000. How does this transaction affect the accounting equation? O A. Add 59,000 to Cash and add $9,000 to Service Revenue. OB. Add $9,000 to Accounts Payable and add $9,000 to Service Revenue. OC. Add 59,000 to Accounts Receivable and add $9,000 to Retained Earnings OD. Add $9,000 to Cash and add $9,000 to Retained Earnings