Watson buys a computer from a computer store, paying by check. The check is returned marked NSF (not sufficient funds). In the meantime, after purchasing the computer, Watson sells the computer to his friend Sally. For purposes of this question, assume that Sally did not know that Watson's check bounced. Under what conditions will Sally prevail against the store if the store tries to recover the computer from her? State the issue and discuss her legal defenses and arrive at a conclusion.