Josh Announces a Reward of $500 for His Dog,Ginger,that Ran

Josh announces a reward of $500 for his dog,Ginger,that ran away from his house.Josh spreads the word only by pinning up posters in his neighborhood.Amanda,Josh's colleague,sees Ginger and brings her back to Josh without ever seeing the poster.After returning the dog,Amanda sees one of the reward posters and returns to claim the money.In the context of this scenario,which of the following statements is true?

A) Amanda is not entitled to the money because the offer was not communicated to her.
B) Amanda is not entitled to the money because she is Josh's colleague and acted in good faith.
C) Amanda is entitled to the money because the poster constituted an offer and is effective for the entire neighborhood.
D) Amanda is entitled to the money since performance of the requested act in the poster indicates acceptance.
E) Amanda is not entitled to the money since she did not communicate the acceptance of the offer in writing.