A firm has decided that it wants to maintain a high degree of control among its senior leadership base across all ten countries in which it has wholly owned subsidiary operations. The firm is also concerned with maintaining a consistent "united front" in terms of how it portrays itself in all these countries. In addition, the firm is concerned with maintaining the integrity of the home-office mission and values across these different countries. What hiring practice is best suited for this firm based on what I have described above? I. An Ethnocentric hiring practice. II. A Polycentric hiring practice. III. A Regiocentric hiring practice. IV. A Geocentric hiring practice