Final answer:
The presence of a prize in every box of Joy Stick Snacks is an example of promotions and incentives in marketing.
Step-by-step explanation:
The presence of a prize in every box of Joy Stick Snacks is an example of a marketing strategy known as promotions and incentives. This strategy aims to attract and engage customers by offering them an extra benefit or reward with their purchase.
The prize serves as an incentive for consumers to choose Joy Stick Snacks over other similar products, increasing sales and brand loyalty.