15 Syllabus Modules Grades Library Website College Resources True Credentials False CCCD Zoom 1 pts William billed Denise $200 for cleaning her computer of viruses, but Denise complained: "My computer is still behaving weirdly." It turned out that William had missed some viruses in hidden files. Denise said, "I'm paying you only $100 by check marked 'Paid in Full." William cashed the check and then sent Denise a statement showing $100 still owed. Denise owes the other $100. D Question 16 1 pts Parties may modify a contract with no new consideration by substituting a new contract for the old one. True False