Ed writes Gwen a letter and offers her a job as a financial analyst for his construction company at a salary of $75,000.00 a year. Two days later he sends her another letter telling her that he has changed his mind. Gwen receives both of the letters and after reading the letter with the job offer, does not open the second letter, and spends a couple of days thinking about the offer and whether she should accept it. Four days later, Gwen decides to accept the offer but still has not read the second letter revoking the offer. Which statement is correct?
a) Gwen is legally bound by the job offer because she accepted it within a reasonable timeframe.
b) Gwen is not legally bound by the job offer because she did not open the second letter.
c) Gwen is legally bound by the job offer because Ed did not specify a deadline for acceptance.
d) Gwen is not legally bound by the job offer because Ed changed his mind.