AT&T is a firm that follows a strategy of related diversification. Evaluate its success (or lack thereof) with regard to how well it has (1) built on core competencies, (2) shared infrastructures, and (3) increased market power. This is to be in narrative form and should be as thorough as possible. Bullet points should not to be used. The paper should be at least 1.5 – 2 pages in length, Times New Roman 12-pt font, double-spaced, 1 inch margins and utilizing at least one outside scholarly or professional source related to competitive strategy. The textbook should also be utilized. Do not insert excess line spacing. APA formatting and citation should be used.