A project team has completed all the technical project deliverables, and the customer has accepted the deliverables . However, the lessons learned required by the project office have not been completed . What is the status of the project？

()是工作定义的成果之一。

元信息传递学、辅助语言学、二次信息及隐含元沟通都是指——（）

成本变更控制系统的目的是：（）

Your company has established a reward and recognition system for its project management professionals. Project cost performance is used as a criterion to determine rewards. What should you do to ensure that rewards reflect actual performance？