URI Problem (Taxes) 1051:
Taxes is a basic problem on URI online judge for novice problem solver.
You can find details on this Link.

import java.util.Scanner;

/**
 * @Author : Muhammad Harun-Or-Roshid
 * @Date : Oct 14, 2016
 * @Time : 6:03:24 PM
 */
public class Uri1051 {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        double salary, tax = 0;
        salary = sc.nextDouble();
        if (salary >= 0.0 && salary <= 2000.00) {
            System.out.println("Isento");
        } else if (salary >= 2000.01 && salary <= 3000.00) {
            tax += (salary - 2000.00) * 0.08;
            System.out.printf("R$ %.2f\n", tax);
        } else if (salary >= 3000.01 && salary <= 4500.00) {
            tax += 1000.00 * 0.08;
            tax += (salary - 3000) * 0.18;
            System.out.printf("R$ %.2f\n", tax);
        } else if (salary > 4500.00) {
            tax += 1000.00 * 0.08;
            tax += 1500.00 * 0.18;
            tax += (salary - 4500.00) * 0.28;
            System.out.printf("R$ %.2f\n", tax);
        }
    }
}