In 2009 your company bought a heat exchanger (heat transfer area of 50 m) for $10,793. In 2017, a similar, but larger one was purchased for $18,972. See info below. Estimate the purchase cost for a similarly built 90m2 heat exchanger in 2022. Year HT area Built (m2) CEPCI . 2009 50 523 Cost in Year Built $ 10,793 $ 18,972 2017 120 568 2022 90 750