28. WHICH OF THE FOLLOWING CONDITION(S) MUST A DRAFT MEET IN ORDER...

21-28. Which of the following condition(s) must a draft meet in order for it to be negotiable: (a) contain an unconditional promise or order to pay (b) must be in writing and signed by the drawer (c) payable on sight or at a specified time (d) made out to order or to bearer * (e) all of the above