On Mаrch 1, Sоuth Cоаst Apаrtment Cоmplex (SCAC) received a letter from Brrrr, an air conditioner retailer, offering to sell 1,200 window air conditioners suitable for the apartments. The offer stated that it would remain open until March 20, but the acceptance must be received on or before that date. On March 16, SCAC posted a letter of acceptance. On March 17, Brrrr telegraphed SCAC to advise that it was revoking the offer. The telegram reached SCAC on March 17, but SCAC’s letter did not arrive at Brrrr’s address until March 21.As of March 22, which of the following is a correct statement?