Functions, default arguments, using reference variables as parameters

Question

A program contains the following funcion

void display(in arg1, double arg2, char arg3)
{
 cout << "here are the values:"
  << arg1 << " " << arg2 << " "
  << arg3 << endl;
}

Write a statement that calls the procedure and passes the following variables to it:

• Int age;
• Double income;
• Char intitial;