hello

<?php 
	interface CalculateInterface{
      public function canculate();
	}

	class PilotageCharges implements CalculateInterface{
		public $model;
		public $profile_id;

		public function __construct($model,$profile_id){
			$this->model = $model;
			$this->profile_id = $profile_id;
		}

		public function canculate(){
			$invoice['customer_id'] = $this->profile_id;
			$invoice['total'] =  $this->model->rate *  $this->model->duration;
			$invoice['details'] = "PilotageCharges Calculations";
			return $invoice;

		}
	}

	class TugCharges implements CalculateInterface{
		public $model;
		public $profile_id;

		public function __construct($model,$profile_id){
			$this->model = $model;
			$this->profile_id = $profile_id;
		}

		public function canculate(){
			$invoice['customer_id'] = $this->profile_id;
			$invoice['total'] =  $this->model->rate +  $this->model->duration;
			$invoice['details'] = "TugCharges Calculations";
			return $invoice;

		}
	}

	 
	
	class Tarrif{
		public  function canculate(CalculateInterface $loger){
			return $loger->canculate();
		}
	}
	
	


 Route::get('/', function(){
 	$tarrif= new Tarrif();
 	$model = new StdClass();
 	$model->rate = 52;
 	$model->duration = 2;
	$result1 = $tarrif->canculate(new PilotageCharges($model,25));
	$result2 = $tarrif->canculate(new TugCharges($model,30));;
	dd($result1,$result2);
 });