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Interstate highways are the main travel routes for many commercial and private travelers. These highways include many signs that must be repaired by dedicated repair crews. Without this maintenance, the highway signs would soon become dangerous and eventually become unusable. Therefore, the government must continue to employ these dedicated repair crews.
Which of the following, if true, would most seriously weaken the conclusion above?
These sign-repair crews are more expensive than the repair crews that maintain the roads. The sign-repair crews occasionally block traffic during the course of their work. Due to developments in technology, new signs can now be made and installed for less than the cost of repairing the old signs. When maintenance by these repair crews is performed regularly, signs last much longer. When highway signs deteriorate, the accident rate increases.
Check out this awesome article about Anderson on Poets Quants, http://poetsandquants.com/2015/01/02/uclas-anderson-school-morphs-into-a-friendly-tech-hub/ . Anderson is a great place! Sorry for the lack of updates recently. I...