Six years ago, an 80-kW diesel-electric set cost $160,000. The cost index for this class of equipment six years ago was

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Six years ago, an 80-kW diesel-electric set cost $160,000. The
cost index for this class of equipment six years ago was 187 and is
now 194. The plant engineering staff was considering a 120-kW unit
of the same general design to power a small isolated plant that
would have cost $211,707.
Based on the information above the
plant engineering staff is considering a 100-kW unit of the same
general design to power a small isolated plant. Assume we want to
add a pre-compressor, which (when isolated and estimated
separately) currently costs $13,000. Determine the total cost of
the 100-kW unit.