medium · GMAT Verbal

Which of the following, if true, most weakens the owner's argument?

1. Customers can now conveniently book and confirm their tables well in advance using the restaurant's newly launched mobile app.
2. Most of the other popular and well-reviewed restaurants in the surrounding area already require their diners to make reservations in advance.
3. The restaurant's overall revenue is expected to rise because predictable reservations make its nightly staffing needs far easier to plan.
4. The reservation policy will, the owner insists, absolutely guarantee that no customer ever has to wait even a single minute again.
5. The restaurant frequently holds tables empty for late-arriving reservation holders while walk-in customers wait much longer for a seat.

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