public function down(): void 	{ 		Schema::table('order_items', function (Blueprint $table) { 			$table->dropColumn('total_price_with_tax'); 			$table->dropColumn('total_price_without_tax'); 			$table->dropColumn('total_tax'); 			$table->dropColumn('tax'); 			$table->dropColumn('total_return_fee'); 			$table->dropColumn('return_fee'); 			$table->dropColumn('base_price'); 		}); 	}