An appraiser performed an appraisal for litigation services. The attorney-client also asked the appraiser to help with developing a cross examination strategy for the appraiser who was hired by the opposing side in the case. Which of the following statements is correct?

A. These are two legitimate services (an appraisal and a consulting assignment).

B. These are two appraisal assignments.

C. These are two non-compatible services. (The appraiser cannot be a disinterred third party for the appraisal and simultaneously be an advocate for the clients position by helping discredit the other appraiser.)

D. These are two non-compatible services, but the appraiser would be acting ethically if the client was made fully aware of this fact.