Mark, an Attorney, Accepts an Offer for an Attorney Position

Mark, an attorney, accepts an offer for an attorney position at The Firm. Prior to Mark's first day at work, Harold, a managing partner, sends Mark an Employment Policy Manual which contains policies regarding attendance and confidentiality. Harold includes a note advising Mark to carefully review the manual as he would be expected to adhere to its policies. During his first week at The Firm, Mark is seen leaving the office at noon with copies of files tucked under his arm. He is also observed giving the copied files to a man not associated with The Firm. At the end of the week, Mark is terminated for violating the terms of the Employment Policy Manual. Which of the following is true?

A) Mark may recover his moving expenses under the doctrine of promissory estoppel.
B) The Firm breached its express contract with Mark by terminating him.
C) The Employment Policy Manual is part of the implied contract between Mark and The Firm.
D) The Firm may recover Mark's salary under the doctrine of quasi-contract.