SA Paribahan Courier Track and Trace system delivers real-time shipment information to Web browsers on its customers’ computers. This system shows the customer which freight carrier is transporting a...

SA Paribahan Courier Track and Trace system delivers real-time shipment information to Web browsers on its customers’ computers. This system shows the customer which freight carrier is transporting a shipment, where it is, and when it should arrive. Draw a data flow diagram of SA Paribahan online Track and Trace system