... management and operational efficiencies in the provision of public services. . . . [N.J.S.A. 52:27BBBB-2.] Section 6 of the MSRA amended the Employer-Employee Relations ... authority to unilaterally modify the expired -but- effective CNA. See N.J.S.A. 52:27BBBB-2. The reasonableness standard does apply to N.J.S.A ...