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What is the difference between a local variable and a data member?

(Employee Class) Create a class called Employee that includes three pieces of information as data members - a first name (type string), a last name (type string) and a monthly salary (type int). \([\text {Note: In subsequent chapters, we'll use numbers that contain decimal points (e.g., } 2.75)-\) called floating-point values - to represent dollar amounts.] Your class should have a constructor that initializes the three data members. Provide a set and a get function for each data member. If the monthly salary is not positive, set it to 0. Write a test program that demonstrates class Employee's capabilities. Create two Employee objects and display each object's yean \(y\) salary. Then give each Employee a 10 percent raise and display each Employee's yearly salary again.