On April 1, Fay sends to Mort this signed fax message: "Mort — April is upon us. I need your services — this Wednesday, please, at 11 A.M. I'll be ready with cash. Okay?" What additional circumstance, if proven, would most clearly mean that Fay's message constitutes an offer?
A.Mort is a skilled landscaper, mechanic, and carpenter, and at various times in the past Fay has hired him to perform services related to those skills.
B.Every April for the previous twelve years Mort has trimmed the trees in Fay's front yard, for which Fay has each time paid him $125.
C.Fay does not know Mort, but has heard that he is a skilled landscaper.
D.By signed writing, Mort responds to Fay: "Yes, I'll be there."
E.By signed writing, Mort responds to Fay: "I'll be glad to help you, but my fee is now $35 per hour."