CLASS Employee { //Variables

CLASS Employee {
//Variables
String LastName;
String FirstName;
Real HourlyRate;
Integer HoursWorked;
String Job;
Date HireDate;
Real Monthly_Salary;
//Methods
String GetLastName() ;
String GetFirstName() ;
String GetJob() ;
Real GetSalary() ;}
The class Clerk is a subclass of the class Employee
CLASS Clerk: Employee {
//Variables
Real HourlyRate;
Integer HoursWorked;
//Methods
Real GetSalary() ;}
The class Salesperson is a subclass of the class Employee
CLASS Salesperson: Employee {
//Variables
Real Base_Salary;
Real Commission_rate
Real Sales;
//Methods
Real GetSalary() ;}
The class PartClerk is a subclass of the classes Clerk and Salesperson
CLASS PartClerk: Clerk, Salesperson {
//Variables
Real PercentClerk;
//Methods
Real GetPercentClerk() ;}

-If there are two clerks with identical data (same last name,first name,...) :

A) Only one object is created
B) An error occurs when the program tries to create a second object with the same data
C) The program appends a unique identifier at the end of LastName of the second employee
D) Two objects are created, which are differentiated by a unique system-generated identifier