The world is threatened with drought, so people are urged to conserve water. Jack lives far from his neighbors, and no one ever drives by Jack's house. The water company has forgotten that Jack exists, so he receives no bills and no meter-reader ever comes to his house. Jack knows about the conservation effort, but he really wants a green lawn. He knows that if he waters his lawn, he won't be harming anyone because his lawn is small and the amount of water he uses won't affect the drought. So Jack continues to water. What would Kant say about this case