Q$19.$ Which is the best illustration of place utility $?$

$$ Cold cut packages that can be zipped close for reuse

$$ Airlines that allow you to print your own boarding pass at home

$$ A mobile phone company that offers six$-$month financing, same as cash

$$ A smartphone with a multi$-$touch user interface for each navigation

$$ A service station that adds a diesel fuel pump to its three unleaded gasoline pumps.