...." 6 Corbin, supra, sec. 1279, p. 130; 6 Williston, supra, sec. 1854, p. 5213. The question is not the actual intent of the offeree, but his manifested intent. Laufer, Acceptance by Silence: A...of business friends, of parties with whom there are or have been contractual relationships . . . ." Laufer, Acceptance by Silence: A Critique, 7 Duke Bar Assn. J. 87, 92 (1939...plaintiff's retention of the check and the credit memorandum for a period of more than seven months and the plaintiff's silence for that period of time was an acceptance of the offer and that, therefore...