Beyond lower turnover ,how else does costco benefit from treating its employees well?

In simple words, by treating the employees well in the organisation businesses can get a lot of unexpected profits besides the lower cost due to lower employee turnover.

Employees in such organisation will always be motivated to work hard and self align their interests with objectives and goals of the organisation. Also employee satisfaction leads to lesser conflict with the workplace which further leads to more efficiency.

i believe the answer is: streets and roads

public property refers to the property that can be used by all legal citizens in a certain country. the public property was created and maintain using the government budget that allocated specifically for it. the budget itself come from the citizen's income tax payment.