John and Jane agree Jane will provide accounting services to John's company for a year for $$25,000.$ John realizes the services included in the contract are not sufficient for his needs. They put the original contract into a paper shredder and enter into another contract indicating the new terms with services John wants for his business, and Jane agrees to the contract for $$35,000.$ This is an example of a$($n$)\_\_\_\_\_\_\_\_.$

Question $83$ options:

concurrent breach

substitute contract

remediation

novation

accord and satisfaction