medium · GMAT Verbal

Which of the following, if true, most weakens the argument?

1. Rival firms have already announced plans to build chips with even higher raw qubit counts than this firm's current chip carries, and some expect to ship within a year.
2. Classical supercomputers have themselves grown markedly more powerful over the past several years, gaining speed as their processor and memory designs improved.
3. The firm's qubits are so error-prone that running a useful computation would require thousands of additional qubits to correct each one, far more than the chip can hold.
4. The firm's chip consumes substantially more electricity to run than a comparable classical supercomputer does, raising the operating cost of every single calculation it performs.
5. Useful quantum algorithms for solving some particular classes of problems have not yet been discovered by researchers, leaving those specific tasks without a quantum method.

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