Outdoor Adventures is a company that sells clothing and gear related to all types of outdoor activities. In an effort to stave off competition, the company has begun keeping a log of customer interests and hobbies so it can alert them to local events of relevance to them as well as send them articles that pertain to their favorite activities. In addition, Outdoor Adventures has added a section to their website where customers can post pictures of themselves using the store's gear. These efforts illustrate how the firm is engaged in

Fortress international, a large conglomerate, procures a few component parts from external suppliers and also manufactures some of the key raw materials in its own subsidiaries. aside from this, the company does not solely depend on outside distributors to reach its customers. in fact, it has its own retail stores to distribute its products. in this scenario, which of the following alternatives to vertical integration is fortress international applying? a. concentric integration b. taper integration c. horizontal integration d. conglomerate integration