Trade Comissions

import java.util.Scanner;

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

        String town = scanner.nextLine().toLowerCase();
        double target = Double.parseDouble(scanner.nextLine());
        double comission = -1;

        if (town.equals("sofia")) {
            if (target >= 0 && target <= 500) {
                comission = 5;
            } else if (target <= 1000) {
                comission = 7;
            } else if (target <= 10000) {
                comission = 8;
            } else if (target > 10000){
                comission = 12;
            } else {
                System.out.println("error");
            }
        } else if (town.equals("varna")) {
            if (target >= 0 && target <= 500) {
                comission = 4.5;
            } else if (target <= 1000) {
                comission = 7.5;
            } else if (target <= 10000) {
                comission = 10;
            } else if (target > 10000){
                comission = 13;
            } else {
                System.out.println("error");
            }
        } else if (town.equals("plovdiv")) {
            if (target < 0) {
                System.out.println("error");
            } else if (target >= 0 && target <= 500) {
                comission = 5.5;
            } else if (target <= 1000) {
                comission = 8;
            } else if (target <= 10000) {
                comission = 12;
            } else if (target > 10000){
                comission = 14.5;
            } else {
                System.out.println("error");
            }
        } else {
            System.out.println("error");
        }
        if (comission != -1) {
            System.out.printf("%.2f", target * (comission / 100));
        }
    }
}