In what way do secondary sources depend on primary sources?

You are a cfp and although you never went to law school, you consider yourself to be very good at reviewing wills. your client, catherine, asks you to prepare a will for her. should you prepare a will for catherine? a. yes, catherine is your best client and you might lose her if you do not prepare the will. b. yes, it is permissible for a cfp to prepare a legal document. c. no, preparing catherine's will would be considered the unauthorized practice of law. d. no, you should only prepare catherine's will if you are going to prepare her husband's will as well.