Match each description with a document in a voucher system. Document Description A. An itemized statement of goods prepared by the vendor listing the customer's name, items sold, sales prices, and terms of sale. B An internal file used to store documents and information to control cash payments and to ensure that a transaction is properly authorized and recorded. C A document used to place an order with a vendor that authorizes the vendor to ship ordered merchandise at the stated price and terms. A checklist of steps necessary for the approval of an invoice for recording and payment; also known as a check authorization E. A document used by department managers to inform the purchasing department to place an order with a vendor. F. A document used to notify the appropriate persons that ordered goods have arrived, including a description of the quantities and condition of goods. D 1. Which expression is equal to A 5=7 B 5x7 7-5 D 75