public static void listOrder() {
		int counter = 0;
		
		System.out.println("[Current Order]");
		for (OrderItem oi: orderItems) {
			counter++;
			System.out.println(counter + ". " +  oi.mi.itemName + "($" + oi.mi.itemCost + ")" + " x " + oi.quantity + " = " + (oi.mi.itemCost * oi.quantity) );
		}
	}