Which statement below is not a guideline for developing an organizational​ chart? A. Make sure the CEO of the firm does not also carry the title of President. B. Avoid a​ functional-type structure for all but the smallest firms. C. Make sure the chair of the board is not also the CEO or president of the company. D. Make sure every executive has one​ boss; lines in the chart should be drawn​ accordingly, assuring unity of command. E. Make sure only presidents of divisions report to the CEO.