รบกวนพี่ๆแก้ไขโค๊ด JAVA โปรแกรมนี้ให้ทีครับ ผมไปไม่ถูกแล้ว(ต้องส่งอาจารย์)

import java.text.DecimalFormat;
import javax.swing.JOptionPane;
import java.util.Scanner;

public class AccessoryShop{
	public static void main(String[] args){
		int choose,accessory;
		int repeat;
		String name=",promo";
		double net=0;
		double vat2=0;
		double discount=0;
		double price=0;
		double total=0;
		double total2=0;
		double totaldis=0;
		String input;
		DecimalFormat money = new DecimalFormat("#,##0.00");
		Scanner keyboard = new Scanner(System.in);
		
		do{
			
			input = JOptionPane.showInputDialog("Welcome To AccessoryShop!"+"\n"+"Please select the accessory you want to buy!"+"\n"+"OUR Accessory Released"+
				"\n"+"1.Battery"+ "\n" +"2.Headlight"+ "\n" +"3.Wing mihor"+"\n"+"4.Bumper"+"\n"+"5.Fan Belt"+"\n"+"6.Brake"+"\n"+"7.Spark Plug"
				+"\n"+"8.Gear box"+"\n"+"9.Wheel"+"\n"+"10.Indicator");
				
			choose=Integer.parselnt(input);
			if(choose>10){
			JOptionPane.showMessageDialog(null, "You got the wrong choice. We will Exit the program.");
			System.exit(0);
		}
			input=JOptionPane.showinputDialog("Please input number of accessory you want to buy.");
			accessory=Integer.parseInt(input);
			switch(choose){
			case 1:price=100;discount=0.20;name=("Battery");promo="20%";break;
			case 2:price=200;discount=0.20;name=("Headlight");promo="20%";break;
			case 3:price=300;discount=0.15;name=("Wing Mihor");promo="15%";break;
			case 4:price=400;discount=0.15;name=("Bumper");promo="15%";break;
			case 5:price=500;discount=0.10;name=("Fan Belt");promo="10%";break;
			case 6:price=600;discount=0.10;name=("Brake");promo="10%";break;
			case 7:price=700;discount=0.05;name=("Spark Plug");promo="5%";break;
			case 8:price=800;discount=0.05;name=("Gear box");promo="5%";break;
			case 9:price=900;discount=0.00;name=("Wheel");promo="0%";break;
			case 10:price=1000;discount=0.00;name=("Indicator");promo="0%";break;
			}
				total=(price*accessory);
				vat2=(price*accessory)*0.07;
				total2=(price*accessory)+vat2;
				totaldis=(price*accessory)*discount;
				net=((price*accessory)+vat2)-totaldis;
				
				JOptionPane.showMessageDialog(null, "You selected accessory:"+name+"\n"+"Price"+price+"Baht"+"\n"+"Promotion Discount"+promo+"\n\n\n"+
				"You order"+accessory+"piece(s)"+"\n"+"Price ="+money.format(total)+"Baht"+"\n"+VAT7%=+money.format(vat2)+"Baht"+"\n"+"TotalVAT%="+
				money.format(total2)+"Baht"+"\n"+"You get discount="+money.format(totaldis)+"Baht"+"\n"Net="+money.format(net)+"Baht");

				repeat=JOptionPane.showConfirmDialog(null, "Continue?","Test",JOptionPane.YES_NO_OPTION);
				}while(repeat==JOptionPane.YES_OPTION);
				System.exit(0);
			}}