I believe it's A: work is reduced, while time is decreased
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Answer:<em> The light from a lighthouse at a harbor entrance</em>
Explanation:
Non-rival and non-excludable commodities lie under Pure Public Goods which means that consumption of these goods by an individual doesn't change the supply or demand for other individuals i.e. non-rival and the individual is not excluded from the consumption of this good. Hence, the light from a lighthouse is non-rivalrous and non-excludable.