Exercise 2: a) In a header file, create a class called Employee that includes two pieces of information as private data members-a first name (type string) and a monthly salary (type int). b) Your class should have a constructor that initializes the two data members. c) Provide a set and a get function for each data member. If the parameter of the set function for monthly salary is not positive, then monthly salary should be set to 0. d) In a separate file, write a test program (containing main method) that demonstrates class Employee's capabilities i. Create two Employee objects with different names and salaries. ii. Raise the salary of each Employee (object) by 10 percent. Then display each Employee's (objects) new yearly salary