单项选择题
A．The sacrifice of unessential project objectives to meet essential quality standard B．The life cycle cost of the proj ec C．Determining the costs incurred to ensure qualit D．The cost of meeting project objective
A．uses bottom-up estimating techniques B．uses the actual cost of previou similar projects as the basis for estimating the cost of the current project C．is used most frequently in the later stages of a project D．summarizes estimates for individual work items
A．performance reviews B．variance analysis C．trend analysis D．earned value management