XX. A. XYZ Company and Mr. AB, a terminated employee who also happens to be the President of XYZ Employees Union, agree in writing to submit Mr. AB's illegal dismissal case to voluntary arbitration. Is this agreement a valid one? (3%) B. XYZ Company and XYZ Employees Union (XYZEU) reach a deadlock in their negotiation for a new collective bargaining agreement (CBA). XYZEU files a notice of strike; XYZ Company proposes to XYZEU that the deadlock be submitted instead to voluntary arbitration. If you are counsel for XYZEU, what advice would you give the union as to the: (1) propriety of the request of XYZ Company, and (2) the relative advantages/disadvantages between voluntary arbitration and compulsory arbitration? (4%)