3. Given the relational tables below, draw the UML class diagram (conceptual model) with minimum and maximum multiplicities and attributes. Invento Inventory Size Inventory Inventory Identification # (PK) Inventory | Description Color Purchase Purchase Order # | Purchase Total PK | Purchase Agent Employee # | Vendor # Amount FK FK Purchasing Agent Purchase Agent Employee # (PK Purchase Agent Name Vendor Vendor # (PK) | Vendor Name Individual Account Payable Balance Purchase Line ltems (Inventory/Purchase) Inventory Identification # (PK) Purchase Order # PK Quantity of ltem Purchased on Order