private static void supplyBeverage(int choice) {
		if (choice <= 3) {
			foodFactory = BeverageFactory.getInstance();
		} else {
			foodFactory = SandwichFactory.getInstance();
		}

		FoodItem foodItem = foodFactory.orderFoodItem(menu.get(choice));
		if (foodItem != null) {
			System.out.println("Your food item " + foodItem.getName() + " has been delivered. Please pay "
					+ foodItem.getPrice() + " currency units.");
		}
	}