Which of the following regarding a significant matter for which initial documents contained reasonable alternatives to the conclusions ultimately reached by the engagement team?

a)as long as the engagement team retains the final conclusion in the working papers, no further consideration is warranted and the other documents may be discarded

b) the engagement team should consider the need to document why those alternatives were rejected and incorporate that thought process into the working papers. Only then may the other documents be discarded

c) the engagement team should include all the documents on the significant matter, as firm policy requires that all original documentation be maintained

d) none of the above