Smith and his coworkers signed an at-will employment agreement that promised a deferred salary of $15,000 [i]n the event that Employee remains employed . . . for two years. The agreement also provided that if the employees left before that date or were terminated for

cause, the employees would forfeit the incentive pay- ment and were responsible for paying the costs of re- turning to their home locations. The employees were

terminated after the eight-week orientation period but within two years, when the project they had been hired to work on was withdrawn. They claimed the right to the $15,000 on the ground that they had not resigned and had not been terminated for cause. Were the employees entitled to the $15,000 deferred salary?