private static void Constraints()
{
Manager m = new Manager() { FirstName = "Manager-1" };
Employee e = new Employee() { FirstName = "Employee-1" };
EmployeeBonusStack<Employee> bonusStack = new EmployeeBonusStack<Employee>(5);
bonusStack.Push(m);
bonusStack.Push(e);
bonusStack.IncrementSalary();
}
