I have tried putting in the opposites but it still says its wrong. Not sure what it is because there are no othwr answers.

Identify the appropriate document in a voucher system for each description. Document Invoice Answer is complete but not entirely correct. Description A. A document the purchasing department uses to place an order with a vendor B. A checklist of steps necessary for the approval of an invoice for recording and payment, also known as a check authorization C. Used by the purchasing department to place an order with a supplier D. Notifies the purchasing department of items that should be purchased. E Notifies employees that ordered goods have been received, and describes the quantity and condition of the goods F A document used by department managers to inform the purchasing department to place an order with a vendor. Invoice approval Purchase order Purchase requisition Receiving report Voucher