Which sentences highlight a unilateral contract?

a. Monique goes to a supermarket and picks up a shampoo. She then goes to the counter and pays for the shampoo.
b. John offers a ride back home to Jack in exchange for his favorite music DVD for a day. Jack then gives John the DVD he wanted. Harriet and c. Lauren sign a written contract for selling a house.

A unilateral contract in my book says- This form of contract deems acceptance of a contract from the other party when that party performs the requested action. Here, both the partaking parties are clear about this term of contract. I think the answer is B but Did Jack give him the CD or let him borrow it, this is an ambiguous question don't you think?

1 answer

B. Jack gave John the disk for a day. John accepted it, and has promised to ride him back home.