public function handle(): void 	{ 		Product::available()->chunk(500, static function (Collection $products): void { 			$products->each(static function (Product $product): void { 				$product->prices()->create([ 					'price' => $product->item->getPrice(), 					'valid_from' => formatTimestamp(), 				]); 				$product->setLowestPrice(); 			}); 		}); 	}