1. The ENR construction cost index (CCI) for January 2007 had a value of 7879.58 when the base year was 1913 with a value of 100. If the base year is 1967, the CCI for January 2007 is 733.55. What is the CCI for 1967 when the base year is 1913?
2. Using 1913 as the base year with a value of 100, the ENR construction cost index (CCI) for October 2005 was 7562.50. For October 2006, the CCI value was 7882.53.
(a) What was the inflation rate for construction for that one-year period?
(b) The index value for January 2007 was 7879.58. What was the inflation rate over the period October 2006 and January 2007?