hich of the following is most likely an example of a business promotion tool? -free dvd for customers who purchase a new television at a retail store?...

Which of the following is most likely an example of a business promotion tool?

-free dvd for customers who purchase a new television at a retail store?

-trade fair showcasing a new audio system developed by an electronics firm?

-sweepstakes program inviting customers to enter for the chance to win a new car?

-toaster being sold at half its list price for any buyer who purchases a food processor?