A person exchanged an amount of money and found an excess; what should he do with it?

Question:
We have a call from Abu Ahmad from Makkah. Go ahead, Abu Ahmad. Peace be upon you. And upon you be peace. May Allah keep you in goodness. Peace. Honorable Shaykh. May Allah keep you in goodness. Peace be upon you. And upon you be peace. Yes. Long may you live. And upon you be peace. I need you, Shaykh. Go ahead, go ahead, may Allah hear you and preserve you. Long may you live. I exchanged money from the currency exchange, the Arab currency exchange. And I got one hundred riyals from the money I exchanged, which was not requested; it was not with the money they were giving me, one hundred riyals. So now I have done it and I am returning it. Thank you kindly.

Answer:
Go back to the owners of the exchange, the supervisors of the exchange, and return to them what was in excess of what you requested, as it belongs to someone else. Return it to them. If they do not accept it, then you give it in charity with the intention that the reward belongs to its owner. Yes.