Make the class called Employee which comprises three pieces of information as data membersa first name (type string), last name (type string) and monthly salary (type int). Class must have constructor which initializes three data members. Give a set and get function for each data member. If monthly salary is not positive, set it to 0. Write test program which shows class Employee's capabilities. Make two Employee objects and show each object's yearly salary. Then give each Employee 10 percent raise and show each Employee's yearly salary again.