Can anyone help me double check my answer to this Business Law question?

Question by Erica C: Can anyone help me double check my answer to this Business Law question?
QUESTION: Mark tells Cindy, “If you clean out my garage, I’ll pay you $ 25.” Mark has offered to form what kind of contract?

ANSWER CHOICES:

A. Bilateral contract

B. Unilateral contract

C. Quasi-contract

D. Implied-in-fact contract

I am guessing it’s B

Best answer:

Answer by James
Yes, it’s unilateral. Cindy is not required to perform. Performance indicates acceptance of the contract.

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