Problem: Green was the owner of a large department store. On Wednesday, January 26, he talked to Smith and said, "I will hire you as sales manager in my store for one year at a salary of $48,000; you are to begin work next Monday." Smith accepted and started work on Monday, January 31. At the end of three months, Green discharged Smith. On May 15, Smith brings an action against Green to recover the unpaid portion of the $28,000 salary. Is Smith's employment contract enforceable? Explain.