The editor of a magazine has pointed out several errors of spelling and grammar committed on a recent TV program. But she can hardly be trusted to pass judgment on such matters: similar errors have been found in her own magazine. The flawed reasoning in the argument above is most similar to that in which one of the following? ['Your regulatory agency cannot condemn our product as unsafe: selling it is allowed under an existing-product clause.', "Your newspaper cannot be trusted with the prerogative to criticize the ethics of our company: you misspelled our president's name.", 'Your teen magazine should not run this feature on problems afflicting modern high schools: your revenue depends on not alienating the high school audience.', 'Your news program cannot be trusted to judge our hiring practices as unfair: you yourselves unfairly discriminate in hiring and promotion decisions.']