When assessing corporate strategy, the WRSX Board need to assess to what extent the potential roles of the group centre could add value to geographic business units. Which four of the following are most likely to create added value? Encouraging sharing of experience across business units. Increasing the number of reports required from managers. Coaching and facilitating business unit managers. Providing a clear overall vision. Intervening to ensure appropriate performance. Requiring heads of business units to obtain head office agreement on major campaigns to ensure uniformity of WRSX's international image