12. Trade Commissions

package ConditionalStatementsAdvanced;

import java.util.Scanner;

public class P12TradeCommissions {

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

        String town = scanner.nextLine();
        double volumeSales = Double.parseDouble(scanner.nextLine());

        //Град      0 ≤ s ≤ 500     500 < s ≤ 1 000       1 000 < s ≤ 10 000        s > 10 000
        //Sofia        5%           7%                          8%              12%
        //Varna        4.5%         7.5%                        10%             13%
        //Plovdiv      5.5%         8%                          12%             14.5%


        boolean isValid = true;
        double commission = 0;

        if(volumeSales >= 0 && volumeSales <= 500){
            switch (town){
                case "Sofia":
                    commission = volumeSales * 0.05;
                    break;
                case "Varna":
                    commission = volumeSales * 0.045;
                    break;
                case "Plovdiv":
                    commission = volumeSales * 0.055;
                    break;
                default:
                    isValid = false;
                    break;
            }

        } else if (volumeSales > 500 && volumeSales <= 1000) {
            switch (town){
                case "Sofia":
                    commission = volumeSales * 0.07;
                    break;
                case "Varna":
                    commission = volumeSales * 0.075;
                    break;
                case "Plovdiv":
                    commission = volumeSales * 0.08;
                    break;
                default:
                    isValid = false;
                    break;
            }
        } else if (volumeSales > 1000 && volumeSales <= 10000) {
            switch (town){
                case "Sofia":
                    commission = volumeSales * 0.08;
                    break;
                case "Varna":
                    commission = volumeSales * 0.10;
                    break;
                case "Plovdiv":
                    commission = volumeSales * 0.12;
                    break;
                default:
                    isValid = false;
                    break;
            }
        } else if (volumeSales > 10000) {
            switch (town){
                case "Sofia":
                    commission = volumeSales * 0.12;
                    break;
                case "Varna":
                    commission = volumeSales * 0.13;
                    break;
                case "Plovdiv":
                    commission = volumeSales * 0.145;
                    break;
                default:
                    isValid = false;
                    break;
            }
        }else {
            isValid = false;
        }


        if(isValid){
            System.out.printf("%.2f", commission);
        }else {
            System.out.println("error");
        }


    }
}