Which of the Following Is True Regarding Jackson's Assertion That

Multiple Choice

Which of the following is true regarding Jackson's assertion that Penny must pay him at this point if the neighbor fails to do so?

A) He is correct because an express contract existed, and he made an honest mistake for which Penny must accept the risk.
B) He is correct because an implied contract existed, and he made an honest mistake for which Penny must accept the risk.
C) He is correct because an implied-in-law contract existed.
D) He is correct because a valid contract existed; and, after his performance, it is considered executed.
E) He is incorrect unless he can somehow establish that Penny gave him poor directions or was otherwise at fault in informing him which deck to paint, and the contract remains executory.