A precondition of an enforceable accord and satisfaction is that the tender of payment occur in the context of a good faith dispute about the amount of an unpaid debt. This was the rule at common law and, for checks, it is now the rule of § 42a-3-311(a). See Herbert S. Newman & Partners, P.C. v. CFC Construction Ltd. Partnership, 236 Conn. 750, 764-65, 674 A.2d 1313 (1996); see also County Fire Door Corp. v. C.F. Wooding Co., 202 Conn. 277, 282 n.3, 520 A.2d 1028 (1987); Munroe v. Emhart Corp., 46 Conn.App. 37, 42-43, 699 A.2d 213, cert. denied, 243 Conn. 926, 701 A.2d 658 (1997).