This is merely a short term "loan" where the hotel clerk is "borrowing" (stealing) 100euro to pay off one debt. Thankfully for his sake the prostitute came through on a debt she owed to him; and he decided to pay off his debt of borrowed money.
This is a story of 'velocity of money supply'. If anyone in theis chain decided to save this money or buy something else; the story would end right there with the proprietor owing the potential customer for the "loan".

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"Our Lady of Blessed Acceleration...
don't Fail Us Now"