Product A's annual inventory turns is 8 and product B's annual inventory turns is 5. Which product spends more time in inventory on average

This would be an incentive. to keep and attract more businesses.

She would grey the one and it is correct

These tragedies are more likely to occur  when the benefit to the individual for using a bit more of the resource is greater than the associated cost.for example, a company may choose to dump all of its manufacture waste on the public lake (collective resource) because the cost of actually creating waste  management system would be higher compared to simply dumping them into the lake.