Answer: The last option.
Explanation: The precautionary principle would be considered to be most strictly applied where the precautionary measure is most disproportionate to the given risk. In all but the last option, there are either measures taken in response to concrete problems, or the precautionary measures are actually relaxed. In the last option, though, there are merely “fears” that antibiotics and growth hormones could cause harm (no experimental evidence), but the school board still takes the strict precautionary measure of mandating that schools only serve organic milk.
Melissa's argument will be strengthen by the fact that most of the employees want their duty hours to be more flexible, depending on their lifestyle. This would mean that more of the employees will be encouraged to join the company and perform better in order to stay.
