Contracts are public. Competitive proposals, while decided on a case-by-case basis, are arguably exempt under Section 6255’s public interest balancing test during the negotiation process but must be made public prior to final acceptance by the public agency to afford public input in the selection process. Michaelis, Montanari & Johnson v. Superior Court, 38 Cal.4th 1065, 1073, 44 Cal. Rptr. 3d 663, 136 P.3d 194 (2006).