Wrong Cost summary (exchange rate wrong)

🚧 THIS IS A TICKET MIGRATED FROM UPVOTY. The original ticket and comments will be available for a limited time over at:
https://abrp.upvoty.com/b/report-a-bug/wrong-cost-summary-exchange-rate-wrong/
———————————————————————————
When calculating a trip outside of EU (e.g. Serbia), I receive a wrong cost summary. The national currency RSD seems to be used 1:1 as EUR, but the exchange rate is ~117:1.