public function toArray($request): array 	{ 		return [ 			'id' => $this->id, 			'label' => $this->label, 			'base_price' => $this->base_price, 			'price' => $this->price, 			'return_fee' => $this->return_fee, 			'total_return_fee' => $this->total_return_fee, 			'tax' => $this->tax, 			'total_tax' => $this->total_tax, 			'total_price_without_tax' => $this->total_price_without_tax, 			'total_price_with_tax' => $this->total_price_with_tax, 			'quantity' => $this->quantity, 			'created_at' => formatTimestamp($this->created_at), 			'updated_at' => formatTimestamp($this->updated_at), 		]; 	}