diff --git a/accounting/api/account.py b/accounting/api/account.py
index e843e61..0d57bf6 100644
--- a/accounting/api/account.py
+++ b/accounting/api/account.py
@@ -44,44 +44,16 @@ def get_account_balance(request, account_id: int):
 
     return 200, {'account': account.name, 'balance': list(balance), 'jes': list(journal_entries)}
 
-
 @account_router.get('/account-balances/', response=List[GeneralLedgerOut])
 def get_account_balances(request):
     accounts = Account.objects.all()
     result = []
-    for a in accounts:
-        result.append({
-            'account': a.name, 'balance': list(a.balance())
-        })
-
-    return status.HTTP_200_OK, result
-
-
-
-
-class Balance:
-    def __init__(self, balances):
-        balance1 = balances[0]
-        balance2 = balances[1]
-
-        if balance1['currency'] == 'USD':
-            balanceUSD = balance1['sum']
-            balanceIQD = balance2['sum']
+    for a in accounts.all():
+        if a.parent == None:
+          total = a.TBalance()
+          result.append({
+            'account': a.name, 'balance': list(total)
+            })  
         else:
-            balanceIQD = balance1['sum']
-            balanceUSD = balance2['sum']
-
-        self.balanceUSD = balanceUSD
-        self.balanceIQD = balanceIQD
-
-    def __add__(self, other):
-        self.balanceIQD += other.balanceIQD
-        self.balanceUSD += other.balanceUSD
-        return [{
-            'currency': 'USD',
-            'sum': self.balanceUSD
-        }, {
-            'currency': 'IQD',
-            'sum': self.balanceIQD
-        }]
-
+           total = a.balance() 
+    return status.HTTP_200_OK, result
\ No newline at end of file
diff --git a/accounting/migrations/0007_alter_account_parent.py b/accounting/migrations/0007_alter_account_parent.py
new file mode 100644
index 0000000..2873aff
--- /dev/null
+++ b/accounting/migrations/0007_alter_account_parent.py
@@ -0,0 +1,19 @@
+# Generated by Django 4.0.6 on 2022-07-31 22:31
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('accounting', '0006_alter_account_code_alter_account_full_code_and_more'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='account',
+            name='parent',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='children', to='accounting.account'),
+        ),
+    ]
diff --git a/accounting/models.py b/accounting/models.py
index a7d49b7..0d07a81 100644
--- a/accounting/models.py
+++ b/accounting/models.py
@@ -49,7 +49,7 @@ class CurrencyChoices(models.TextChoices):
 
 
 class Account(models.Model):
-    parent = models.ForeignKey('self', null=True, blank=True, on_delete=models.SET_NULL)
+    parent = models.ForeignKey('self', null=True, blank=True, on_delete=models.SET_NULL,related_name='children')
     type = models.CharField(max_length=255, choices=AccountTypeChoices.choices)
     name = models.CharField(max_length=255)
     code = models.CharField(max_length=20, null=True, blank=True)
@@ -61,6 +61,68 @@ def __str__(self):
 
     def balance(self):
         return self.journal_entries.values('currency').annotate(sum=Sum('amount')).order_by()
+    
+    def TBalance(self):
+          Accbalance = Balance(self.balance())
+          children = self.children.all()
+          total = []
+          for b in children:
+            ch_balance=Balance(b.balance())
+            total = Accbalance.__add__(ch_balance)
+          if children.count() == 0:
+             return self.balance()
+          return total
+           
+class Balance:
+       def __init__(self,balances):
+        balanceIQD = 0
+        balanceUSD = 0
+
+        for i in balances:
+            if i['currency'] == 'USD':
+                balanceUSD = i['sum']
+            if i['currency'] == 'IQD':
+                balanceIQD = i['sum']
+
+        self.balanceUSD = balanceUSD
+        self.balanceIQD = balanceIQD
+
+       def __add__(self, other):
+        
+        self.balanceIQD += other.balanceIQD
+        self.balanceUSD += other.balanceUSD
+
+       
+        return [{
+            'currency': 'USD',
+            'sum': self.balanceUSD 
+            }, {
+            'currency': 'IQD',
+            'sum': self.balanceIQD
+        }]
+       def __radd__(self, other):
+        if other == 0:
+          return self
+        else:
+          return self.__add__(other)
+       
+       def _greater_(self,other):
+           if( self.balanceIQD > other.balanceIQD):
+            return True
+           else:
+            return False 
+        
+       def _les_(self , other):
+           if( self.balanceIQD > other.balanceIQD):
+            return True 
+           else:
+            return False
+        
+       def _zero_(self , other):   
+           if( self.balanceIQD == 0 and  other.balanceIQD == 0 ):
+            return True
+           else:
+            return False
 
     # def save(
     #         self, force_insert=False, force_update=False, using=None, update_fields=None
diff --git a/db.sqlite3 b/db.sqlite3
index 3cb73d5..b72cf7a 100644
Binary files a/db.sqlite3 and b/db.sqlite3 differ