Retired people are more likely than working people to travel by bus, train, or car. Working people more often chooses to travel by airplane. An economic explanation of this might be

Group of answer choices

retired people like traveling by buses and trains because they are more old-fashioned.

working people own stocks in airline companies while retired people probably don't.

working people like traveling by airplanes.

working people have a higher opportunity cost of their time than do retired people.