diff --git a/app/Models/AssignMaterial.php b/app/Models/AssignMaterial.php
index 4a5706d..381ac6a 100644
--- a/app/Models/AssignMaterial.php
+++ b/app/Models/AssignMaterial.php
@@ -3,6 +3,8 @@
 namespace App\Models;
 
 use Illuminate\Database\Eloquent\Model;
+use App\Models\RequestMaterial;
+use App\Models\Activity;
 
 class AssignMaterial extends Model
 {
@@ -14,4 +16,22 @@ class AssignMaterial extends Model
     protected $fillable = [
         'proyek_id', 'activity_id', 'material_id', 'qty_planning', 'budget', 'plan_date','created_at', 'created_by', 'updated_at', 'updated_by'
     ];
+
+	public static function boot() {
+		parent::boot();
+
+		static::created(function($data) {
+			$activity = Activity::find($data->activity_id);
+			$material = RequestMaterial::where("id", $data->material_id)->first();
+			$activity->rencana_biaya += $activity->rencana_biaya + ($material->price * $data->qty_planning);
+			$activity->save();
+		});
+
+		static::deleted(function($data) {
+			$activity = Activity::where('id', $data->activity_id)->first();
+			$activity->rencana_biaya -= $data->budget * $data->qty_planning;
+			$activity->save();
+		});
+
+	}
 }
diff --git a/app/Models/UserToActivity.php b/app/Models/UserToActivity.php
index c2cc069..3dac828 100644
--- a/app/Models/UserToActivity.php
+++ b/app/Models/UserToActivity.php
@@ -3,6 +3,7 @@
 namespace App\Models;
 
 use Illuminate\Database\Eloquent\Model;
+use App\Models\Activity;
 
 class UserToActivity extends Model
 {
@@ -17,9 +18,41 @@ class UserToActivity extends Model
         'version_gantt_id',
         'role_proyek_id',
         'activity_id',
-        'created_at', 
-        'created_by', 
-        'updated_at', 
+        'created_at',
+        'created_by',
+        'updated_at',
         'updated_by'
     ];
+
+	public static function boot() {
+		parent::boot();
+
+		static::created(function($data) {
+			$activity = Activity::find($data->activity_id);
+			$getWorkingHours = UserToProyek::where('user_id', $data->user_id)->where('proyek_id', $activity->proyek_id)->first();
+
+			$salary = ($getWorkingHours->standart_rate * $activity->duration) * ($getWorkingHours->max_used / 100);
+
+			if($getWorkingHours->uom_standart_rate == "Hour")
+				$salary = ($getWorkingHours->standart_rate * 8) * $activity->duration * ($getWorkingHours->max_used / 100);
+
+			$activity->rencana_biaya += $salary;
+			$activity->save();
+		});
+
+		static::deleted(function($data) {
+			$activity = Activity::find($data->activity_id);
+
+			$getWorkingHours = UserToProyek::where('user_id', $data->user_id)->where('proyek_id', $activity->proyek_id)->first();
+			$salary = ($getWorkingHours->standart_rate * $activity->duration) * ($getWorkingHours->max_used / 100);
+			if($getWorkingHours->uom_standart_rate == "Hour"){
+				$salary = ($getWorkingHours->standart_rate * 8) * $activity->duration * ($getWorkingHours->max_used / 100);
+			}
+
+			$activity->rencana_biaya -= $salary;
+			$activity->save();
+		});
+
+	}
+
 }