K. Negotiations and collective bargaining of public employees.

Government records relating to preparation, including any discussions or work product, on behalf of a public governmental body or its representatives for negotiations with employee groups may be closed. Mo.Rev.Stat. §  610.021(9). See State ex rel. Board of Public Utilities v. Crow, 592 S.W.2d 285 (Mo.Ct.App. 1979) (collective bargaining sessions of city board of public utilities not required to be open to the public).