You are in the HR department of a small company. You want a database that will track your training program. The company offers a number of courses. Some courses are mandatory and some are not. When an employee completes a course, they are awarded either a pass or a fail. You want to be able to tell when an employee took a course and if that employee passed or failed the course.

1. What entities are required for this database?
2. For each entity, provide a list of suggested attributes. In this list, Identify all of the necessary primary keys (PK) and foreign keys (FK).