Why no change when paying for airport parking?

Why doesn’t the ticket machine at the airport give change? Is that legal? Auntie’s answer: I must admit that after reading your question, I was all set to rant and rave about the state of the airport parking-ticket-payment machine at Owen Roberts. Anyone who has been in Cayman longer than a few months will certainly have tales of their own about seemingly perfectly flat dollar bills being rejected and being forced to get change or switch offending bills at the taxi booth by the arrivals side.

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