text: #include "Manager.h"
  
  Manager::Manager(unsigned id, string name, unsigned age,
          unsigned experience, double salary, string qualification,
          string department, unsigned employees)
      : Employee(id, name, age, experience, salary, qualification), 
          department(department), employees(employees) {
  }
  
  ostream& Manager::inserter(ostream &os) const {
      Employee::inserter(os);
      os << endl;
      os << "Department: " << this->department << endl;
      os << "Employees: " << this->employees;
      
      return os;
  }
  
  istream& Manager::extractor(istream &is) {
      Employee::extractor(is);
      is >> this->department;
      is >> this->employees;
      
      return is;
  }