Knowledge of economic, statistical, accounting, fact-finding, and financial analysis principles and techniques (e.g., random sampling, learning curves, and computerized cost models) necessary to (1) analyze historical cost and schedule, (2) analyze reports of auditors, Technical specialists, and contractor personnel to assess actual EVMS compliance and verify and interpret contractor developed cost and schedule performance data, and (3) project cost and schedule performance trends, isolate disruptive factors, and estimate final contract cost. Develop Independent Government Cost Estimates (IGCE), Requests for Proposal (RFP), Technical Assessment Review (TAR), Market Research, and Engineering Change Proposal (ECP) processes and procedures.