Regarding proper ethical guidelines, which (if any) of the following is correct?
a. The use of client estimates in preparing a return may be acceptable.
b. Under no circumstances should a question on a tax return be left unanswered.
c. If a client has made a mistake in a prior year's return and refuses to correct it, you should withdraw from the engagement.
d. If the exact amount of a deduction is not certain (e.g., around mid-$600s), it should be recorded as an odd amount (i.e., $649) so as to increase the appearance of greater certainty.
e. None of these.
Answer: A