Develop and test the following C# classes:

Person class has three member variables: name, age, hairColor.

Provide the necessary constructors, and set functions (methods);

* Employee class is the child of Person and has two new member variables: employeeID and salary.

Provide the necessary constructors, and set functions (methods) for the new member variables;

* Student class which is child of Person as well and has two new member variables: studentID and program the student is registered. Provide the necessary constructors, and set functions (methods) for the new member variables;

* Professor class which is child of Employee and has two new member variables: title (such as Professor and Associate Professor) and department the professor works for.

Provide the necessary constructors, and set functions (methods) for the new member variables;

Test the C# code by creating objects of the above classes and take a screenshot of the output window.