As part of an employment agreement, Bazzy orally promised to give Hall an option to buy 1,000 shares of company stock at $20 per share. Hall brought suit against the company when it refused to sell the stock to him. What legal argument may Bazzy’s company use to refuse to sell the stock to Hall as agreed? Hall v. Horizon House Microwave, Inc., 506 N.E.2d 178 (MA).