Raul agrees to ship to Ben one hundred ceiling fans for $5,000. Raul initials his notes of the deal, which include the terms, and sends a copy to Ben. Ben initials his own notes of the deal, which include the terms, and sends a copy to Raul. Raul fails to ship the fans. Against Raul, as a contract, the deal is 
a. 
not enforceable. 
b. 
enforceable, because Ben's initialed notes are a sufficient writing. 
c. 
enforceable, because Raul's initialed notes are a sufficient writing. 
d. 
enforceable, because under the UCC a contract need not be written.