The correct answer is power retailers.
Explanation:
There are several kinds of stores that differ in terms of size and range of products offered. Specialty stores are small and have a limited variety of products.
A department store can be large, but often has moderate selection because it focuses more on customer experience.
Discount stores can be of various sizes, but the selection of products is limited due to relying on sales.
Anchor stores are famous chain retailers located in shopping centers and used to draw customers to the location.
Power retailers use their large size and deep selection to increase sales. Their strategy is to maximize the variety to gain a large market share.
Walmart is a good example of an offline power retailer, and Amazon is the largest online power retailer. One particular consideration with regards to this kind of marketing strategy is supply chain management because power retailers are expected to have full stock at all times to avoid losing customers.