D Corporation entered into a written employment agreement with E on September 1, which provided in part that employment would commence on the following January 1 and "will continue for a period of time to be mutually agreed upon." One month before January 1, D Corporation notified E that it had changed its mind and would not employ E. In E's action against D Corporation for breach of contract, D Corporation contends that there is no contract, Judgment for whom? Explain.

I need issue, rule, aplication and conclusion for that problem