public function updateBatch(Business $business, $parsedStatements)
    {
        $changed = false;
        $dates = $this->arrayGroupBy('date', $parsedStatements);

        foreach ($dates as $date => $statements) {
            $services = $this->arrayGroupBy('service', $statements);

            $changed |= $this->processServiceStatements($business, $date, $services);
        }

        return $changed;
    }