Draw an ER diagram for the following SPL Saudi Post system. SPL application reli

Draw an ER diagram for the following SPL Saudi Post system.
SPL application relies on a company-wide information system. In SPL Saudi Post system, shipped items are the main component of the SPL product tracking information system. Shipped items can be characterized by item number (unique), weight, dimensions, insurance amount, destination, and final delivery date. Shipped items are received into the SPL system at a single retail center. Retail centers are characterized by their type, unique ID, and address. Shipped items make their way to their destination via one or more standard SPL transportation events (flights, truck deliveries). These transportation events are characterized by a unique schedule Number, a type (flight, truck), and a delivery Route.