public VisitorForm()
{
InitializeComponent();
_liqour = new Liquor();
lbLiquor.Text += _liqour.GetPrice().ToString();
_tobacco = new Tobacco();
lbTobacco.Text += _tobacco.GetPrice().ToString();
_hamburger = new Hamburger();
lbBurger.Text += _hamburger.GetPrice().ToString();
_visitor = new DutchVisitor();
SwitchDutch();
}
public decimal Visit(Hamburger hamburgerItem)
{
return(hamburgerItem.GetPrice() * 1.1m);
}