diff --git a/src/main/java/_5/_2/Bill/Bill.java b/src/main/java/_5/_2/Bill/Bill.java
deleted file mode 100644
index 8ebd10c..0000000
--- a/src/main/java/_5/_2/Bill/Bill.java
+++ /dev/null
@@ -1,64 +0,0 @@
-package _5._2.Bill;
-
-import _5._2.CarComponents.*;
-
-public class Bill {
-    private Billtem[] items;
-
-    public Bill(Billtem[] items) {
-        this.items = items;
-    }
-
-    public double getTotalPrice() {
-        double price = 0;
-        for (Billtem i : items) {
-            price += i.getPrice();
-        }
-
-        return price;
-    }
-
-    public String toString() {
-        String string = "";
-        for (Billtem i : items) {
-            string += i.toString() + "\n";
-        }
-        double price = this.getTotalPrice();
-        string += "Total: " + price;
-        return string;
-    }
-
-
-    public static class Billtem {
-        private double price;
-        private CarComponent item;
-
-        public Billtem(CarComponent item, double price) {
-            this.item = item;
-            this.price = price;
-        }
-
-        public double getPrice() {
-            return price;
-        }
-
-        public String toString() {
-            return item.getName() + getComponents() + ": " + price;
-        }
-
-
-        public String getComponents() {
-            CarComponent[] components = item.getComponents();
-            String names = "";
-
-            if (components != null) {
-                names += "(";
-                for (CarComponent i : components) {
-                    names += i.getName() + " ";
-                }
-                names += ")";
-            }
-            return names;
-        }
-    }
-}
\ No newline at end of file
diff --git a/src/main/java/_5/_2/Bill/TestBill.java b/src/main/java/_5/_2/Bill/TestBill.java
deleted file mode 100644
index c8f2809..0000000
--- a/src/main/java/_5/_2/Bill/TestBill.java
+++ /dev/null
@@ -1,21 +0,0 @@
-package _5._2.Bill;
-
-import _5._2.CarComponents.*;
-
-public class TestBill {
-    public static void main(String[] args) {
-        Motor m = new Motor("Motor",null);
-        Car c = new Car("Rolls Royce",new CarComponent[] {m});
-        Seat s = new Seat("Seat",null);
-        Wheel w1 = new Wheel("Wheel",null);
-        Wheel w2 = new Wheel("Wheel",null);
-        Wheel w3 = new Wheel("Wheel",null);
-        Wheel w4 = new Wheel("Wheel",null);
-
-        Bill.Billtem[] billtems = new Bill.Billtem[]{new Bill.Billtem(c, 100000.0), new Bill.Billtem(s,2000.0), new Bill.Billtem(w1, 1000.0), new Bill.Billtem(w2, 1000.0), new Bill.Billtem(w3, 1000.0), new Bill.Billtem(w4, 1000.0)};
-        Bill bill = new Bill(billtems);
-
-        String billprice = bill.toString();
-        System.out.println(billprice);
-    }
-}
diff --git a/src/main/java/_5/_2/CarComponents/Car.java b/src/main/java/_5/_2/CarComponents/Car.java
deleted file mode 100644
index 21c4ad7..0000000
--- a/src/main/java/_5/_2/CarComponents/Car.java
+++ /dev/null
@@ -1,19 +0,0 @@
-package _5._2.CarComponents;
-
-public class Car implements CarComponent {
-    private String name;
-    private CarComponent[] components;
-
-    public Car(String name, CarComponent[] components) {
-        this.name = name;
-        this.components = components;
-    }
-
-    public String getName() {
-        return name;
-    }
-
-    public CarComponent[] getComponents() {
-        return components;
-    }
-}
diff --git a/src/main/java/_5/_2/CarComponents/CarComponent.java b/src/main/java/_5/_2/CarComponents/CarComponent.java
deleted file mode 100644
index 1108d8c..0000000
--- a/src/main/java/_5/_2/CarComponents/CarComponent.java
+++ /dev/null
@@ -1,6 +0,0 @@
-package _5._2.CarComponents;
-
-public interface CarComponent {
-    String getName();
-    CarComponent[] getComponents();
-}
\ No newline at end of file
diff --git a/src/main/java/_5/_2/CarComponents/CarPart.java b/src/main/java/_5/_2/CarComponents/CarPart.java
deleted file mode 100644
index fa27dda..0000000
--- a/src/main/java/_5/_2/CarComponents/CarPart.java
+++ /dev/null
@@ -1,19 +0,0 @@
-package _5._2.CarComponents;
-
-public abstract class CarPart implements CarComponent {
-    private String name;
-    private CarComponent[] components;
-
-    public CarPart(String name,CarComponent[] components) {
-        this.name = name;
-        this.components = components;
-    }
-//
-    public String getName() {
-        return name;
-    }
-
-    public CarComponent[] getComponents() {
-        return components;
-    }
-}
diff --git a/src/main/java/_5/_2/CarComponents/Motor.java b/src/main/java/_5/_2/CarComponents/Motor.java
deleted file mode 100644
index 898b7ae..0000000
--- a/src/main/java/_5/_2/CarComponents/Motor.java
+++ /dev/null
@@ -1,7 +0,0 @@
-package _5._2.CarComponents;
-
-public final class Motor extends CarPart {
-    public Motor(String name,CarComponent[] components) {
-        super(name,components);
-    }
-}
diff --git a/src/main/java/_5/_2/CarComponents/Seat.java b/src/main/java/_5/_2/CarComponents/Seat.java
deleted file mode 100644
index 9a45808..0000000
--- a/src/main/java/_5/_2/CarComponents/Seat.java
+++ /dev/null
@@ -1,7 +0,0 @@
-package _5._2.CarComponents;
-
-public final class Seat extends CarPart {
-    public Seat(String name,CarComponent[] components) {
-        super(name,components);
-    }
-}
diff --git a/src/main/java/_5/_2/CarComponents/Wheel.java b/src/main/java/_5/_2/CarComponents/Wheel.java
deleted file mode 100644
index 464429c..0000000
--- a/src/main/java/_5/_2/CarComponents/Wheel.java
+++ /dev/null
@@ -1,7 +0,0 @@
-package _5._2.CarComponents;
-
-public final class Wheel extends CarPart {
-    public Wheel(String name,CarComponent[] components) {
-        super(name,components);
-    }
-}
\ No newline at end of file
diff --git a/src/main/java/_5/_2/alternative/bill/Bill.java b/src/main/java/_5/_2/bill/Bill.java
similarity index 94%
rename from src/main/java/_5/_2/alternative/bill/Bill.java
rename to src/main/java/_5/_2/bill/Bill.java
index 7e9e641..52999cb 100644
--- a/src/main/java/_5/_2/alternative/bill/Bill.java
+++ b/src/main/java/_5/_2/bill/Bill.java
@@ -1,6 +1,6 @@
-package _5._2.alternative.bill;
+package _5._2.bill;
 
-import _5._2.alternative.car.CarComponent;
+import _5._2.car.CarComponent;
 
 import java.util.LinkedList;
 import java.util.List;
diff --git a/src/main/java/_5/_2/alternative/bill/BillExample.java b/src/main/java/_5/_2/bill/BillExample.java
similarity index 71%
rename from src/main/java/_5/_2/alternative/bill/BillExample.java
rename to src/main/java/_5/_2/bill/BillExample.java
index 345b734..4b9ae36 100644
--- a/src/main/java/_5/_2/alternative/bill/BillExample.java
+++ b/src/main/java/_5/_2/bill/BillExample.java
@@ -1,8 +1,8 @@
-package _5._2.alternative.bill;
+package _5._2.bill;
 
-import _5._2.alternative.car.Motor;
-import _5._2.alternative.car.Seat;
-import _5._2.alternative.car.Wheel;
+import _5._2.car.Motor;
+import _5._2.car.Seat;
+import _5._2.car.Wheel;
 
 public class BillExample {
 	public static void main(String[] args) {
diff --git a/src/main/java/_5/_2/alternative/car/Car.java b/src/main/java/_5/_2/car/Car.java
similarity index 97%
rename from src/main/java/_5/_2/alternative/car/Car.java
rename to src/main/java/_5/_2/car/Car.java
index ec23d63..278e90a 100644
--- a/src/main/java/_5/_2/alternative/car/Car.java
+++ b/src/main/java/_5/_2/car/Car.java
@@ -1,4 +1,4 @@
-package _5._2.alternative.car;
+package _5._2.car;
 
 import java.util.HashSet;
 import java.util.Set;
diff --git a/src/main/java/_5/_2/alternative/car/CarComponent.java b/src/main/java/_5/_2/car/CarComponent.java
similarity index 92%
rename from src/main/java/_5/_2/alternative/car/CarComponent.java
rename to src/main/java/_5/_2/car/CarComponent.java
index 63ab25a..880bebf 100644
--- a/src/main/java/_5/_2/alternative/car/CarComponent.java
+++ b/src/main/java/_5/_2/car/CarComponent.java
@@ -1,4 +1,4 @@
-package _5._2.alternative.car;
+package _5._2.car;
 
 import java.util.Collection;
 
diff --git a/src/main/java/_5/_2/alternative/car/Motor.java b/src/main/java/_5/_2/car/Motor.java
similarity index 80%
rename from src/main/java/_5/_2/alternative/car/Motor.java
rename to src/main/java/_5/_2/car/Motor.java
index 1f83ef2..cbc420a 100644
--- a/src/main/java/_5/_2/alternative/car/Motor.java
+++ b/src/main/java/_5/_2/car/Motor.java
@@ -1,4 +1,4 @@
-package _5._2.alternative.car;
+package _5._2.car;
 
 public class Motor extends Car.CarPart {
 	public Motor() {
diff --git a/src/main/java/_5/_2/alternative/car/Seat.java b/src/main/java/_5/_2/car/Seat.java
similarity index 80%
rename from src/main/java/_5/_2/alternative/car/Seat.java
rename to src/main/java/_5/_2/car/Seat.java
index f94ebb3..5164028 100644
--- a/src/main/java/_5/_2/alternative/car/Seat.java
+++ b/src/main/java/_5/_2/car/Seat.java
@@ -1,4 +1,4 @@
-package _5._2.alternative.car;
+package _5._2.car;
 
 public class Seat extends Car.CarPart {
 	public Seat() {
diff --git a/src/main/java/_5/_2/alternative/car/Wheel.java b/src/main/java/_5/_2/car/Wheel.java
similarity index 80%
rename from src/main/java/_5/_2/alternative/car/Wheel.java
rename to src/main/java/_5/_2/car/Wheel.java
index b7456ff..da3f7ce 100644
--- a/src/main/java/_5/_2/alternative/car/Wheel.java
+++ b/src/main/java/_5/_2/car/Wheel.java
@@ -1,4 +1,4 @@
-package _5._2.alternative.car;
+package _5._2.car;
 
 public class Wheel extends Car.CarPart {
 	public Wheel() {