4. Create the EER Diagram for the following: (includes Generalization/Specialization) Inventory contains InventorylD, Description, Type, Location Supplier contains SupplierlD, SupplierName, SupplierEmail Inventory has one Suppliers supply one to many inventory items supplier (required) and Inventory can be Type B for Books for G for Gifts. If Type B, the inventory item also stores one Author name and one Publisher name. If Type G, the inventory item also stores GiftType and MaximumRetailPrice. Inventory has to be one type but cannot be both