When Tracing or Expediting Shipments to Determine Their Progress and Estimated

When tracing or expediting shipments to determine their progress and estimated time of arrival, which of the following information is required?

A) When the shipment was originally due to arrive
B) What the carrier's pro number, waybill, or car number was
C) What route the carrier was planning to take
D) When the order was placed by the purchasing department