Netflix collects $20 cash from a customer on September 30. This $20 is payment for the customer's use of Netflix from October 1 through October 31 (i.e., the customer payment is for FUTURE services). On September 30, Netflix should make the following journal entry: A. Dr. Cash and Cr. Sales B. Dr. Cash and Cr. Accounts Receivable C. Dr. Cash and Cr. Unearned Revenue D. Dr. Accounts Receivable and Cr. Sales