[JAVA] Program Pembayaran Air

package com.company;
import java.util.Scanner;
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;

public class Main {

    public static void main(String[] args) {
    Scanner in = new Scanner(System.in);

    int hasil, input, liter;
    System.out.println("|=====|Program Biaya Pemakaian Air|=====|");
    System.out.println("Daftar Harga Per-㎥ : \n 1. 0 - 15 ㎥ = Rp.2.500,-\n 2. 16 - 30 ㎥ = Rp.4.500,-\n 3. 31 - 50 ㎥ = Rp.6.500,-\n 4. 51 ㎥ atau Lebih = Rp.9.000,-\n");
    System.out.print("Masukan Jumlah Pemakaian: ");
    input = in.nextInt();
    DecimalFormat kursIndonesia = (DecimalFormat) DecimalFormat.getCurrencyInstance();
    DecimalFormatSymbols formatRp = new DecimalFormatSymbols();

    formatRp.setCurrencySymbol("Rp.");
    formatRp.setMonetaryDecimalSeparator(',');
    formatRp.setGroupingSeparator('.');

    if(input == 0){
        System.out.println("Maaf. Anda tidak perlu membayar.");
        }else{
            if(input > 0 && input <= 15){
                hasil = input*2500;
                liter  = input*1000;
                System.out.println("\n|=====================================|");
                System.out.println("Jumlah pemakaian dalam ㎥ : "+input+"㎥");
                System.out.println("Jumlah pemakaina dalam Liter : "+liter+"lt");
                kursIndonesia.setDecimalFormatSymbols(formatRp);
                System.out.printf("Harga: %s %n",kursIndonesia.format(hasil));
                System.out.println("|=====================================|");
            }else if(input >= 16 && input <= 30){
                hasil = input*4500;
                liter  = input*1000;
                System.out.println("\n|=====================================|");
                System.out.println("Jumlah pemakaian dalam ㎥ : "+input+"㎥");
                System.out.println("Jumlah pemakaina dalam Liter : "+liter+"lt");
                kursIndonesia.setDecimalFormatSymbols(formatRp);
                System.out.printf("Harga: %s %n",kursIndonesia.format(hasil));
                System.out.println("|=====================================|");
            }else if(input >= 31 && input <= 50){
                hasil = input*6500;
                liter  = input*1000;
                System.out.println("\n|=====================================|");
                System.out.println("Jumlah pemakaian dalam ㎥ : "+input+"㎥");
                System.out.println("Jumlah pemakaina dalam Liter : "+liter+"lt");
                kursIndonesia.setDecimalFormatSymbols(formatRp);
                System.out.printf("Harga: %s %n",kursIndonesia.format(hasil));
                System.out.println("|=====================================|");
            }else if(input > 50){
                hasil = input+9000;
                liter  = input*1000;
                System.out.println("\n|=====================================|");
                System.out.println("Jumlah pemakaian dalam ㎥ : "+input+"㎥");
                System.out.println("Jumlah pemakaina dalam Liter : "+liter+"lt");
                kursIndonesia.setDecimalFormatSymbols(formatRp);
                System.out.printf("Total Pembayaran: %s %n",kursIndonesia.format(hasil));
                System.out.println("|=====================================|");
            }
        }
    }
}