TCO calculation

本文从3个方面分析了‘TCO’的成本等问题。‘它不仅需要计算采购成本，还需要增加使用费和维护费用，甚至包括培训费，来支持他的开支。’

1.  When calculating total cost of Troon’s hardware, it not only need to calculate the purchasing cost, but also need to add charges for using and maintain, even including training fees, and spending for IT support. Comparing with other calculating methods, TCO provides a reasonable standard during a while. As for Troon, refreshing its hardware may cost a lot in a short run, but it saves more maintain expenses than spending on purchasing new hardware, so refreshing its hardware is the optimal cost choice in a long run.

2.  Yes, IT expenses spirals out of control before the TCO system. Because as information technology develops, hardware and software updates faster and faster, old hardware gradually can’t meet Troon’s need, so the Troon must spend more and more to maintain, such as install new accessories. 
      Hidden costs of operating and maintaining the hardware:
a. Fault diagnosis
b. On-site repair
c. Software install
d. Data backup
e. Care instructions
f. Depreciation expenses
      
3. There are several benefits I can get, such as
a. Saving and controlling IT expense
b. Improving working efficiency, it is much easier to handle costumers’ data
c. TCO doesn’t involve any financial discipline
d. It’s easier to see the cost flowing, which help to make decisions base on a lower cost
e. Learn well about each cost of IT
f. Proving a reasonable cost estimation method to help me learn about impossible investment in the future.
      

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