How could Adam Smith's comment about the butcher, the brewer, and the baker be accurately rephrased in modern terms?

The butcher, the brewer, and the baker give us our dinner because they will be sued if they don't do so$.$

The butcher, the brewer, and the baker give us our dinner because they each earn a living by doing so$.$

The butcher, the brewer, and the baker give us our dinner because they view doing so as a public service.

The butcher, the brewer, and the baker give us our dinner because they want to be well liked in the community.