Avery Corp. finds its company's market share declining across their many product segments: cosmetics, shoes, apparel, and watches. An analysis of the company's performance points to the fact that the company's product portfolio is largely diversified without a substantial presence in any of the product segments in the market. Which of the following strategies would help Avery Corp. concentrate on its core competencies?

a. Hedgehog
b. Transactional
c. Imitation
d. First-mover