Production tracking is important in many manufacturing environments (e.g., the pharmaceuticals industry, children's toys, etc.). The following ER diagram captures important information in the tracking of production. Specifically, the ER diagram captures relationships between production lots (or batches), individual production units, and raw materials. Please convert the ER diagram into a relational database schema. Be certain to indicate primary keys and referential integrity constraints. You can conduct your answer as the following answer: Primary key (Dnumber) Foreign key (Mgro,ssn) references Employee ( Ssn)