单项选择题

All of the following are examples of tools often used in estimate costs EXCEPT （）.

A．parametric modeling
B．analogous estimating
C．bottom-up estimating
D．activity duration estimates

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单项选择题

In the earned value technique, cost variance is computed as （）.

A．EV minus PV
B．EV minus AC
C．AC minus EV
D．PV minus EV

单项选择题

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 ？（）

A．Consider overtime work as part of the jo
B．Prepare a cost baselin
C．Use earned value management to monitor performanc
D．Estimate and budget controllable and uncontrollable costs separatel