public override double getCost()
        {
            switch (Beverage.getSize())
            {
            case 1:
                Cost = 0.25;
                break;

            case 2:
                Cost = 0.50;
                break;

            case 3:
            default:
                Cost = 0.75;
                break;
            }
            return(Beverage.getCost() + Cost);
        }
 public override int getSize()
 {
     return(Beverage.getSize());
 }
 public new Size getSize()
 {
     return(beverage.getSize());
 }