Which one of the following sentences about the differences between strategic planning and tactical planning is true? A. Tactical plans cover a relatively long period of time whereas strategic plans cover a relatively short period of time. B. Facts on which to base tactical plans are usually more difficult to gather than are facts on which to base strategic plans. C. Strategic planning emphasizes analyzing the future and tactical planning emphasizes analyzing the everyday functioning of the organi D. Tactical plans are generally less detailed than strategic plans. E. Tactical plans are usually developed by upper-level management and strategic plans by lower-level management