Which statement is true? A file for each customer does not need to be established in the Customer Center before entering transactions for customers. A customer with a balance or a customer who has been part of a transaction for the current accounting period can be deleted or marked inactive. In the Customer Center, you can list all customers and jobs; only active customers; or only customers with current balances due. The Item List window indicates only whether an item is a service item or inventory sold. You enter a description, rate per unit, and default general ledger posting account in the Create Invoices window