Which items represent examples of Adam Smith$$s $$invisible hand$$ at work?

Correct Answer$($s$)$

An auto manufacturer switches from using fabric for its seats to imported leather as $$quality$$ becomes more desirable by those purchasing new cars.

A cafe owner discards expired food, to avoid a fine from the health department.A store starts selling candy and ice cream when a new school opens across the street.

A tailor who makes expensive, high$-$quality suits for clients by hand buys his own suits from a discount store.

A gas station owner closes on certain days of the year, for religious reasons.