heather agrees to work for noah for one year in his law office. noah writes an employment contract that states that heather is to earn $20 per hour and to work forty hours per week. noah terminates heather's employment after six months. heather sues to recover what she claims are her losses. at trial, both parties discover that the contract says that heather's hourly wage is $0.20. what can heather and noah do about the error?