Accounting Question

Which of the following is a FALSE statement? 1. Inventory should be secured and stored so that only authorized people have access. 2. Invoices are not paid until a three-way match of the Purchase Order, Receiving Report, and Supplier Invoice has been performed. 3. The employee who makes the sale should never have the authority to write-off the customer's account for nonpayment. 4. To allow for better service, the accounting information system should track sales returns and allowances in total only.