diff --git a/.htaccess b/.htaccess
deleted file mode 100644
index 7ed93bd..0000000
--- a/.htaccess
+++ /dev/null
@@ -1,4 +0,0 @@
-RewriteEngine On
-RewriteCond %{REQUEST_FILENAME} !-f
-RewriteCond %{REQUEST_FILENAME} !-d
-RewriteRule ^(.*)$ index.php?cont=$1 [L,QSA]
\ No newline at end of file
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..ec1cad4
--- /dev/null
+++ b/README.md
@@ -0,0 +1,2 @@
+# php-oop
+PHP OOP session 1 assignment
diff --git a/assignment.txt b/assignment.txt
old mode 100644
new mode 100755
diff --git a/classes/Account.php b/classes/Account.php
old mode 100644
new mode 100755
index 0765a40..e8f59d1
--- a/classes/Account.php
+++ b/classes/Account.php
@@ -1,22 +1,94 @@
 <?php
 
 	class Account {
-		protected $account_number;
+		protected 	$account_number,
+					$balance = 0,
+					$transactions = [] ;
 		
-		public function __construct($account_number) {
+		public function __construct($account_number, $balance) {
 			if(!$this->_validate_account($account_number)){
 				AppError::show_errors();
 				return;
 			}
+			if(!$this->_validate_balance($balance)){
+				AppError::show_errors();
+				return;
+			}
 			
 			$this->account_number = $account_number;
+			$this->balance = $balance;
+		}
+		public function Deposit($value, $log = true){
+
+			if(!$this->_validate_deposit($value)){
+				AppError::show_errors();
+				return;
+			}
+
+			$this->balance += $value ;
+			if($log){
+				$this->_add_transaction("Deposited {$value} and new balance is {$this->balance}");
+			}
+			return $this;
+		}
+		public function Withdraw($value, $log = true){
+
+			if(!$this->_validate_withdraw($value)){
+				AppError::show_errors();
+				return;
+			}
+			
+			$this->balance -= $value ;
+			if($log){
+				$this->_add_transaction("Withdraw {$value} and new balance is {$this->balance}");
+			}
+			return $this;
+		}
+		public function Transfer($value, $to){
+
+			$this->Withdraw($value, false);
+			$to->Deposit($value, false);
+			$this->_add_transaction("Transfered {$value} to {$to->account_number} and new balance is {$this->balance}");
+			return $this;
+		}
+		public function Balance(){
+			echo "<br> Balanse of account {$this->account_number} is {$this->balance} <br>";
+			return $this;
+		}
+		public function Transactions(){
+			echo "<br>   List of transactions of account {$this->account_number} :<br>";
+			foreach ($this->transactions as  $value) {
+				echo "{$value} <br>";
+			}
+			echo "<br>";
+			return $this;
+		}
+		protected function _add_transaction($transaction){
+			$this->transactions[] = $transaction ; 	
 		}
-		
 		protected function _validate_account($num){
 			if($num >= 1000000000 && $num <= 9999999999) return true;
 			
 			AppError::add_error('Invalid account number');
 			return false;
 		}
+		protected function _validate_balance($num){
+			if($num >= 1000 ) return true;
+			
+			AppError::add_error('Invalid Balance');
+			return false;
+		}
+		protected function _validate_deposit($num){
+			if($num > 0) return true;
+			
+			AppError::add_error('Invalid Deposit');
+			return false;
+		}
+		protected function _validate_withdraw($num){
+			if($num > 0 && $num < $this->balance) return true;
+			
+			AppError::add_error('Invalid Withdraw ');
+			return false;
+		}
 	}
 	
\ No newline at end of file
diff --git a/classes/AppError.php b/classes/AppError.php
old mode 100644
new mode 100755
diff --git a/classes/Client.php b/classes/Client.php
old mode 100644
new mode 100755
index e454437..da719c5
--- a/classes/Client.php
+++ b/classes/Client.php
@@ -37,13 +37,13 @@ private function _validate_name($name){
 			return $match;
 		}
 		
-		public function add_account($account_number, $type = 'current'){
+		public function add_account($account_number, $balance, $type = 'current'){
 			switch($type){
 				case 'savings':
-					$new_acc = new SavingsAccount($account_number);
+					$new_acc = new SavingsAccount($account_number , $balance);
 					break;
 				default:
-					$new_acc = new CurrentAccount($account_number);
+					$new_acc = new CurrentAccount($account_number, $balance);
 			}
 			
 			$this->accounts[] = $new_acc;
diff --git a/classes/CurrentAccount.php b/classes/CurrentAccount.php
old mode 100644
new mode 100755
index e03538b..e6c2cc5
--- a/classes/CurrentAccount.php
+++ b/classes/CurrentAccount.php
@@ -2,8 +2,8 @@
 	class CurrentAccount extends Account {
 		private $has_checks = false;
 		
-		public function __construct($account_number){
-			parent::__construct($account_number);
+		public function __construct($account_number, $balance){
+			parent::__construct($account_number, $balance);
 			
 		}
 		
diff --git a/classes/SavingsAccount.php b/classes/SavingsAccount.php
old mode 100644
new mode 100755
index 320c033..ff61023
--- a/classes/SavingsAccount.php
+++ b/classes/SavingsAccount.php
@@ -2,8 +2,8 @@
 	class SavingsAccount extends Account {
 		private $interest = 0.0;
 		
-		public function __construct($account_number){
-			parent::__construct($account_number);
+		public function __construct($account_number, $balance){
+			parent::__construct($account_number, $balance);
 			
 		}
 		
diff --git a/controllers/help.php b/controllers/help.php
deleted file mode 100644
index aa0178d..0000000
--- a/controllers/help.php
+++ /dev/null
@@ -1,14 +0,0 @@
-<?php
-	class help {
-		public function classes(){
-			echo 'PHP classes help topics';
-		}
-		
-		public function functions(){
-			echo 'Some PHP functions: array_map, str_replace, explode, implode';
-		}
-		
-		public function variables(){
-			echo 'PHP variables start with $';
-		}
-	}
\ No newline at end of file
diff --git a/controllers/home.php b/controllers/home.php
deleted file mode 100644
index 9a65cbf..0000000
--- a/controllers/home.php
+++ /dev/null
@@ -1,6 +0,0 @@
-<?php
-	class home {
-		public function index(){
-			echo "Welcome to MVC!";
-		}
-	}
\ No newline at end of file
diff --git a/includes.php b/includes.php
old mode 100644
new mode 100755
index 421bd1d..51f016a
--- a/includes.php
+++ b/includes.php
@@ -1,4 +1,7 @@
 <?php
+ini_set('display_errors', 1);
+ini_set('display_startup_errors', 1);
+error_reporting(E_ALL);
 	spl_autoload_register(function($class_name){
 		include("./classes/{$class_name}.php");
 	});
diff --git a/index.php b/index.php
index 9484f7c..651d626 100644
--- a/index.php
+++ b/index.php
@@ -1,16 +1,23 @@
 <?php
-	// bootstrapping
-		include('./loader.php');
-		// load config
-		// autoloading
-		// db connection
-		
-	// get controller and action
-	$uri = isset($_GET['cont']) ? $_GET['cont'] : 'home/index';
-	list($controller, $action) = explode('/', $uri);
+	include('./includes.php');
 	
-	// route controller and action
-	echo "Controller: {$controller}<br>";
-	echo "Action: {$action}<br>";
+	$client = new Client('Ahmed', 'Saeed');
+	
+	echo $client->full_name()."<br>";
+	
+	$client->add_account(1000000015, 1000)->add_checkbook();
+	$client->add_account(1000000016, 1000);
+	$client->add_account(1000000018, 1000, 'savings')->set_interest(0.1);
+	
+	$client
+	->accounts[0]
+	->Deposit(1000)    // make a deposit of 1000 to client's account #0
+	->Withdraw(500)    // withdrawf 500 from client's account #0
+	->Transfer(200, $client->accounts[1])  // transfer 200  from client's account #0 to account #1
+	->Balance()   // print balance of client's account #2 (should be 300)
+	->Transactions(); // display list of transactions of client's account #0 (3 transactions)
+
+// echo "<pre>";
+// 	var_dump($client);
+// echo "</pre>";
 	
-	route($controller, $action);
\ No newline at end of file
diff --git a/loader.php b/loader.php
old mode 100644
new mode 100755
diff --git a/test-client.php b/test-client.php
deleted file mode 100644
index 7a5fc1a..0000000
--- a/test-client.php
+++ /dev/null
@@ -1,15 +0,0 @@
-<?php
-	include('./includes.php');
-	
-	
-	$client = new Client('Ahmed', 'Saeed');
-	
-	echo $client->full_name();
-	//echo $client->first_name . ' ' . $client->last_name;
-	
-	$client->add_account(1000000015)->add_checkbook();
-	$client->add_account(1000000016);
-	$client->add_account(1000000018, 'savings')->set_interest(0.1);
-	
-	var_dump($client->accounts);
-	
diff --git a/test-error.php b/test-error.php
deleted file mode 100644
index ba41c86..0000000
--- a/test-error.php
+++ /dev/null
@@ -1,20 +0,0 @@
-<?php
-	include('./AppError.php');
-	
-	AppError::add_error('Test error 1');
-	AppError::add_error('Test error 2');
-	
-	AppError::show_errors();
-	
-	$err = new AppError;
-	$err2 = $err;
-	
-	$err->add_error('Test error 11');
-	$err->add_error('Test error 12');
-	
-	$err2->add_error('Test error 21');
-	$err2->add_error('Test error 22');
-	
-	$err->show_errors();
-	
-	$err2->show_errors();
\ No newline at end of file