private function prepareAttributes(array $data)
    {
        foreach ($data as $key => &$value) {
            if (is_array($value)) {
                $data[$key] = $this->prepareAttributes($value);
                continue;
            }

            if (is_float($value)) {
                $value = sprintf("%01.2f", $value);
            }
        }

        return $data;
    }