What statements about company objectives is true?

Which of the following statements about company objectives is true?

A. Company objectives should be stated in vague terms to provide flexibility to lower-level managers.
B. Company objectives should be set by top management with no input from marketing managers.
C. A good mission statement can substitute for more specific company objectives.
D. Company objectives should be compatible with each other.
E. All of these statements about company objectives are true.