java.util.Scanner;public class MENU { public double subTotal; public static double runningTotal; private static double itemPrice; static boolean ordering = true; static Scanner input = new Scanner(System.in); public static void menu() { System.out.println("Welcome \n1. Burger ($2.00) \n2. FRIES ($1.50)\n3. Soda ($1.00) \n4. Done"); } public static double itemPrice(int foodItem) { if (foodItem == 1) { // burger= $2.00 System.out.println("You've ordered a burger"); itemPrice = 2.00; } if (foodItem == 2) { // fries = $1.50 System.out.println("You've ordered fries"); itemPrice = 1.50; } if (foodItem == 3) { // soda = $1.00 System.out.println("You've ordered a soda"); itemPrice = 1.00; } quantity(); return itemPrice; } public static double quantity() { System.out.println("Enter quantity"); double quantity = input.nextDouble(); subTotal(quantity, itemPrice); return quantity; } public static double subTotal(double quantity, double itemPrice) { double subTotal = quantity * itemPrice; System.out.println("Subtotal: " + subTotal); return subTotal; } public static void done(double runningTotal) { ordering = false; System.out.println(runningTotal); System.out.println("Enjoy your meal"); } public static void main(String[] args) { int menuOption; int foodItem = 0; input = new Scanner(System.in); do { double runningTotal = 0; menu(); menuOption = input.nextInt(); SWITCH (menuOption) { case 1: foodItem = 1; itemPrice(foodItem); break; case 2: foodItem = 2; itemPrice(foodItem); break; case 3: foodItem = 3; itemPrice(foodItem); break; case 4: done(runningTotal); break; default: System.out.println("Invalid option."); } } while (ordering); { subTotal(quantity(), itemPrice(foodItem)); runningTotal = runningTotal + subTotal(quantity(), itemPrice(foodItem)); } }}