Which of the following duties cannot be delegated?A surgeon's duty to do open heart surgery.A buyer's duty to purchase a commercial

im going to come back to you?

i think the answer to your question is b. directive

i would say their habit of breaking down.

answer; ///(d); determining who competes most closely   with whom evaluating whether industry driving forces and competitive pressure favor some strategic groups and hurt others, and ascertaining whether the profit potential of different strategic groups varies due to the strengths and weaknesses in each groups respective market positions;