After visiting several customers， the pSeries technical specialist returns to the office late in the day and makes a list of the various customer requests.  The specialist decided to complete at least one task before leaving for the day.  Which of the following is most important to complete immediately？（）

• A、Send a flyer on new p5-520. 
• B、Provide shipment delivery status.
• C、Order a new system per the purchase order.
• D、Retrieve and send a whitepaper on SCSI performance.