Write a phone book program that uses the following classes:
Individal - Base Class
Private data members -last name, first name, phone number
Student - Derived from Individual
Private data members - gpa, hours
Staff - Derived from Individual
Private data memers - position (string), year employeed (int)
The program should be menu driven and allow the user to
1. Create a new phone book entry and place it in an array
2. Retrieve a phone book entry and display on screen
3. Retrieve all names and display to screen and write to file
Have a staff array and student array. 10 positions are sufficient. No particular order is requied.
When phone book enties are displayed all data members will be displayed. Create a friend function that overloads the << operator to output phone book entries.