Vertical integration is the characteristic of all firms which: (1) Control multiple features of the production of an output from raw materials to the retail sales. (2) Operate as international cartels, dealing mainly in non-renewable resources. (3) Monopolize many local markets for goods which most of the people view as requirements. (4) Merge with other firms which sell identical products. (5) Have broadly acknowledged brand names.
Choose the right answer from the above options.