public function getConvertedTotal($i = 0, $only = false) {
        if (isset($this->list[$i]['ConvertedTotal'])) {
            if ($only) {
                return $this->list[$i]['ConvertedTotal']['Amount'];
            } else {
                return $this->list[$i]['ConvertedTotal'];
            }
        } else {
            return false;
        }
    }