Which of the Following Statements Is Not True Regarding Corporate

Which of the following statements is not true regarding corporate strategic planning?

A) Corporate strategy is formulated by the organization's board of directors and top-level executives.
B) Diversification is often at the core of corporate strategy.
C) Corporate strategy is relatively limited in nature and extends between six months and two years into the future.
D) Corporate strategy addresses the question "What business should we be in?"
E) Corporate strategic planing involves assessing the organization's portfolio of business to determine whether an appropriate mix exists.