I need help answering this

2.2-40a Question Help On May 1, a company provided legal services for a new client. The logal feo was $2,900 and the client paid, by check before leaving the one that day How does this transaction atlect the accounting equation? O A. Add $2,900 to Cash and subtract $2.900 from Service Revenue OB. Add $2,900 to Cash and subtract $2.900 from Accounts Receivable OC. Add $2,900 to Cash and add $2,000 to Retained Earnings OD. Add $2,000 to Cash and subtract $2.900 from Accounts Payable