单选

某航空公司为满足客运量日益增长的需求,拟购置一批新的远程、中程及短程的喷气式客机。每架远程客机价格670万美元,中程客机500万美元,短程客机350万美元。该公司现有资金12000万美元用于购买飞机。据估计每架远程客机的年净利润为82万美元,中程客机的年净利润为60万美元,短程客机的年净利润为40万美元。假设该公司现有的熟练驾驶员可支持30架新购飞机的飞行任务,维修能力足以满足新增40架新的短程客机的维修需求,而每架中程客机维修量相当于4/3架短程客机,每架远程客机维修量相当于5/3架短程客机,为获取最大利润,该公司应购买各类客机分别为()架。

  • A.远程17,中程1,短程0
  • B.远程15,中程1,短程2
  • C.远程12,中程3,短程3
  • D.远程10,中程3,短程5
参考答案
您可能感兴趣的试题

The most crucial time for project risk assessment is ( ).

  • A.when a problem surfaces
  • B.during the planning phase
  • C.during the close-out phase
  • D.after the project schedule has been published

The communication management plan determines the information and communications needs of the takeholders. In the following statements related to communication management plan. ( ) is false.

  • A.The communication management plan is contained in or is a subsidiary plan of, the project management plan.
  • B.The communication management plan can be formal or informal, highly detailed or broadly framed, and based on the needs of the project.
  • C.The communication manamgement plan organize and summarize the information gathered,and present the results of any analysis as comparedthe performance measurement baseline.
  • D.The communication management plan can include guidelines project status meetings,project team meetings,e-meetines,and e-mail
¥

订单号:

遇到问题请联系在线客服

订单号:

遇到问题请联系在线客服