SocialSecurityCalc

package com;


import java.util.Scanner;

public class SocialSecurityCalculator
{
  public static void main(String[] args)
  {
    final int BASE_TAX = 3000;
    Scanner scanner = new Scanner(System.in);
    double salary = scanner.nextDouble();
    int age = scanner.nextInt();
    double taxPerUser;
    double taxPerCompany;
    double totalTax;

    if (salary <= BASE_TAX) {
      double[] allTaxes = calculateTaxForSalaryToThreeThousand(age, salary);
      totalTax = allTaxes[0];
      taxPerCompany = allTaxes[1];
      taxPerUser = allTaxes[2];

    }
    else {
      double salaryPerTax = salary - BASE_TAX;
      taxPerCompany = salaryPerTax * 0.2;
      taxPerUser = salaryPerTax * 0.2;
      totalTax = calculateTaxForSalaryToThreeThousand(age, BASE_TAX)[0] + taxPerCompany + taxPerUser;

    }
    System.out.printf("Total tax is %.2f.%nTax for employeer is %.2f.%nTax for employee is %.2f.", totalTax, taxPerCompany, taxPerUser);

  }

  static double[] calculateTaxForSalaryToThreeThousand(int age, double salary)
  {
    double taxPerUser;
    double taxPerCompany;
    double totalTax;
    if (age <= 55) {
      taxPerUser = salary * 0.2;
      taxPerCompany = salary * 0.17;
    }
    else if (age > 55 && age <= 60) {
      taxPerUser = salary * 0.13;
      taxPerCompany = salary * 0.13;

    }
    else if (age > 60 && age <= 65) {
      taxPerUser = salary * 0.075;
      taxPerCompany = salary * 0.09;
    }
    else {
      taxPerUser = salary * 0.05;
      taxPerCompany = salary * 0.075;
    }
    totalTax = taxPerCompany + taxPerUser;
    double[] result = {totalTax, taxPerCompany, taxPerUser};
    return result;
  }
}