Quote:
Originally Posted by nname
One problem is that you're comparing the cost between escalated 2010$ and 2003$. The 2010$ would be 15% higher if you include a 2% annual inflation. If you add a 2% annual increase in material cost on top of the inflation, then its 32% higher. If that the case, using Hyandai/Rotem system would save about 8% of the cost.
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I presume the total cost of 2 billion would include materials, so it looks as if you're inflating the cost of materials twice, and then you presume the cost of materials is 2 billion dollars, if I'm reading that right. With 15% inflation, the cost of C line goes up to 2.3 billion, which is still 33% cheaper than Bombardier Skytrain, using my formula anyways.
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