Can someone help me in finding out the precise answer from the given options. K-Mart Corporation operates the K-mart and Sears retail stores, gives financial services like insurance and the Discover card, and consists of a real estate division. Such characteristics recognize K-Mart as a: (i) Multinational firm. (ii) Conglomerate firm. (iii) Monopolistically competitive corporate raider. (iv) Vertically integrated firm.