Which of the following statements is true regarding a comparative market analysis (CMA) prepared by a North Carolina broker for a client in connection with a listing agreement but not true of a broker price opinion (BPO) for a separate fee? a) A CMA requires a higher level of detail and accuracy. b) A CMA typically involves a fee paid by the client. c) A BPO may be performed for parties other than clients. d) A BPO is typically more comprehensive than a CMA.