A facility manager is applying the concept of best value in assessing different vendor proposals for the cateria and vending areas in a property. Which evaluation criteria for the sourcing decision exemplifies best value? a) Strict adherence to customary practices and procedures for outsourcing common support area services. b) The inclusion of non-discriminatory specification and a transparent open bidding process. c) Hard and soft measures and a comparison of all costs with required quality. d) Anticipated retention of existing tenants and attractiveness to prospective clients.