Which of the following is NOT a benefit of competition?

Choosing "limits contractor accountability" as the answer highlights an important understanding of the benefits of competition in contracting practices. In a competitive environment, contractors are typically held to higher standards of accountability because they are aware that their performance will be scrutinized against that of their competitors. This increased scrutiny encourages them to deliver better quality and service, knowing that failure to meet standards could result in the loss of future contracts or opportunities.

On the other hand, the other options reflect the advantages that competition brings to the contracting process. It drives cost savings as vendors strive to offer their best prices to win contracts, enhancing solutions through innovation as companies look to differentiate themselves from the competition, and promotes fairness and openness by creating a transparent environment where all participants can compete on equal footing. These aspects contribute positively to procurement processes, making accountability more robust rather than limiting it.