单项选择题

During execution, a functional manager asks you to use a model C generator of model B on your project. The functional manager says that model C will solve the needs of the project and provide some benefits to the manufacturing department. You look at the cost associated with model C and discover that it is substantially higher than model B. If you are not sure you can justify the more expensive model, what do you do ？（）

A．Review the specification of each to validate the manager’s claim
B．Measure the differences in using each model and present them to senior managemen
C．Use model C and cut other tasks to make up for the added cos
D．Do a life cycle analysis and present the results to your bos

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单项选择题

As a project manager, you are aware that estimating schedule activity costs involves developing an approximation of the costs of the resources needed to complete each schedule activity. In approximating costs, the estimator considers the possible causes of variation of the cost estimates, including risks. Cost estimating includes identifying and considering various costing alternatives. For example, in most application areas, additional work during a design phase is widely held to have the potential for reducing the cost of the execution and product operations. The cost estimating process considers whether the expected savings can offset the cost of additional design work. Cost estimates are generally expressed in units of currency to facilitate comparisons both within and across projects. Cost estimates can also benefit from refinement during the course of the project to reflect on the additional detail available. For your project, which is in the initial phases, your team suggested a rough order of magnitude estimate—this could be in the range of （）.

A．-75% to+125%
B．-50% to+100%
C．-25% to+50%
D．None of the above

单项选择题

At XYZ Inc. , the hourly wage for semi-skilled workers is $14.00. The annual audit shows that fringe benefits cost 30%of basic wages, and that overhead costs are 60% of wages plus fringe benefits. What is the “loaded” hourly wage for a semi-skilled worker at XYZ Inc ？（）

A．$27.14.
B．$28.96.
C．$30.03.
D．$29.12.