Java- The firm has three kinds of employees. All employees have the following information need to be recorded

Implement (write and test code) a set of classes for a firm. The firm has three kinds of employees. All employees have the following information need to be recorded
name, SSN, title, base salary.
The following table shows the details of each kind of employees.
Each type of employees needs to provide methods to return the monthly payment amount and process the annual raise of the base salary.
• a method, newemployee, to add a new employee to the array;
• a method, payment , to calculate monthly payment amount for every employee;
a method, annualraise, to raise the base salary for every employee.
The details of the three employees is in the attached file