Answer: B. a footwear-maker achieves the biggest possible styling/quality-based competitive advantage in a given region when its branded footwear has a higher S/Q rating than any other company in the region
Explanation:
All of the other options helps a company in its efforts to increase regional market share and number of branded pairs sold except option B.
In all the other options, we can see that there is celebrity endorsement and that helps significantly in sales. Offering variety and styles also helps in sales. Band reputation is also an important factor in increasing of sales. If company has bad quality rating then that would have an adverse affect on its sales.