CPI Cost Index 1998-2011

CPI cost index The costs in exercise assignment 7 uses data from 1998 or 2004. The cost in 2009 can be calculated using

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CPI cost index The costs in exercise assignment 7 uses data from 1998 or 2004. The cost in 2009 can be calculated using the Chemical engineering cost index (CPI).

CPI index from the journal Chemical engineering September 2008. An estimate of the CPI cost index in 2009 can be made by extrapolation of recent data. The graph below shows a linear estimate based on data for the last four years. Year Cost index 1998 389.5 2004 444.2 2009 (575.4)

Linear estimate of CPI cost index in 2008-2010 based on data from 2004-2008.