Which of the following is an example of one of the Three Ingredients of Greatness in consumer promotions?
a. A grocery store runs a giveaway with three different prizes to choose from for the winnera road bike, an Amazon gift card
b. A giveaway at a clothing store requires you to share the promotion with friends in order to have a chance of winning
c. A sweepstakes to win a new car has many complicated steps to follow so that the prize seems like it was worth the work to
d. A raffle at a county fair sponsored by a local restaurant offers a prize of one free meal per week for a year.