On August 15, a customer paid $ 3 comma 000 for services provided a month earlier. The customer was billed on August 1. How does this transaction affect the accounting equation? A. Add $ 3 comma 000 to Cash and add $ 3 comma 000 to Retained Earnings. B. Add $ 3 comma 000 to Accounts Payable and add $ 3 comma 000 to Cash. C. Add $ 3 comma 000 to Cash and subtract $ 3 comma 000 from Accounts Receivable. D. Add $ 3 comma 000 to Cash and add $ 3 comma 000 to Service Revenue.