Final answer:
Rollerblade used the involvement/commitment hierarchy of d. Emotional Involvement to increase their sales.
Step-by-step explanation:
Rollerblade used the involvement/commitment hierarchy of d. Emotional Involvement to increase their sales. Emotional involvement refers to the level of personal attachment or connection that consumers have with a product or brand.
Rollerblade focused on creating an emotional bond with their customers, emphasizing the joy and excitement of inline skating through their marketing and advertising campaigns. By tapping into the emotions of their target audience, Rollerblade was able to increase sales by appealing to the desires and aspirations of consumers.