The program should be a in C++

This week's lesson is focused on Polymorphism, for which you will create classes using inheritance and virtual functions. To start with, what is polymorphism? Polymorphism allows the name of a function to invoke a response on a base-class-type object and a different one in objects of a derived class, for which virtual functions are used. 1.1 Exercise 1 This exercise deals with using virtual functions, seeing how they act according to the object on which it is applied, which you will see in mai Create a file lab12pl.cpp and enter the following code class Employee protected double sal //salary base public Employ double s){ sal sp) double Payment return sal:) void prt() cout Salary Payment