Answer:
Persuasive promotion
Step-by-step explanation:
Persuasive promotion can be described as a form of advertising a product with the aim of persuading a consumer to buy that particular product usually among several similar products that are in the same category with that product.
Therefore, Ketchup King must employ persuasive promotion in order to convince consumers to buy Ketchup King’s ketchup instead of other brands’ ketchup.