Answer:
B) related-linked strategy
Step-by-step explanation:
Related linked strategies have the purpose of creating value for the organization by exploiting and developing economies of scope within the company. This means that the company will try to save money by transferring its competencies within one product line.
In this case the product line is Nocturnal Products which has expanded to include designer apparel, perfumes, watches, bags and home furnishing. The company hopes to transfer the competencies that designer apparel has to the rest of the products.