final function applicableForQuoteByMinMaxTotal($option) {
		$a = df_quote()->getBaseGrandTotal(); /** @var float $a */
        $max = $this->v("$option/" . T::MAX_ORDER_TOTAL); /** @var float $max */
		$min = $this->v("$option/" . T::MIN_ORDER_TOTAL); /** @var float $min */
		return !($min && $a < $min || $max && $a > $max);
	}