Understanding the ER schema for the Company database. $(20$ Points$)$

To demonstrate that you understand the information represented by the schema, explain using EMPLOYEE, DEPARTMENT, PROJECT and DEPENDENT as examples:

attributes, entities and relationships $(12$ Points$)$

cardinality & participation constraints on relationships $(8$ Points$)$

You don$$t need to explain the entities etc BUT you should explain question a and b using the schema you have been given to more easily explain your answers.