3. See the UML diagram for a class Employee, inside this class, method work(ind) takes number of hours this employee works and return a string similar to "John works 40 hours per week". We want to extend this class to represent a Faculty class, each faculty is an Employee. Other than the name, age, each faculty also has an instance variable depr (String ) which represents his/her department, also each faculty works differently from a common employee, when call the work in ) method, it will return a string similar to "John do research 20 hours per week". According to the description, finish the UML diagram and write the complete class for Faculty (4 pts) Employee name: string Hage: int +Employee(String, int) work(int): String .toString(): String Faculty Faculty