jimblumberg, on 18 December 2012 - 11:13 AM, said:

void Department::Display_Total_Salary()
{
	float sum=0;
	if (isEmpty())
		cout<<"The list is empty\n";
	while (curr)
	{
		node *curr=List.head;
                sum=sum+curr->salary;
		curr=curr->next;
	}
	return sum;
}

else if(in==5)
{
cout<<"Total Salary of all departments listed would be "<<One.Display_Total_Salary()+Two.Display_Total_Salary()+Three.Display_Total_Salary()<<endl;
}

double totalsalary()
  {
    double sum=0;
    while(curr)
    node*curr =List.head;
    sum=sum+curr->salary;
    curr=curr->next;
  }
  return sum;

else if(in==5)
{
cout<<"Total Salary of all departments listed would be "<<One.totalSalary()+Two.totalSalary()+Three.totalSalary()<<endl;
}

jimblumberg, on 18 December 2012 - 07:53 AM, said:

               One+Two+Three.Display_Total_Salary();

cout<<"5. Display Total Salary for All Employees\n";