2.2. Consider the scenario below and create EERM:
Granite Sales Company keeps information on employees and the departments that
they work in. For each department, the department name, internal mailbox number,
and office phone extension are kept. A department can have many assigned
employees, and each employee is assigned to only one department. Employees can
be salaried employees, hourly employees, or contract employees. All employees are
assigned an employee number. This is kept along with the employee’s name and
address. For hourly employees, hourly wage and target weekly work hours are stored
(e.g., the company may target 40 hours/week for some, 32 hours/week for others, and
20 hours/week for others). Some salaried employees are salespeople that can earn a
commission in addition to their base salary. For all salaried employees, the yearly
salary amount is recorded in the system. For salespeople, their commission
percentage on sales and commission percentage on profit are stored in the system.
For example, John is a salesperson with a base salary of R50,000 per year plus 2-
percent commission on the sales price for all sales he makes plus another 5 percent
of the profit on each of those sales. For contract employees, the beginning d