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An industrial coal-fired boiler for process steam is equipped with a 10-year-old electrostatic precipitator (ESP). Changes in coal quality have caused stack emissions to be
An industrial coal-fired boiler for process steam is equipped with a 10-year-old electrostatic precipitator (ESP). Changes in coal quality have caused stack emissions to be n noncompliance with federal standards for particulates. Two mutually exclusive alternatives have been proposed to rectify this problem (doing nothing is not an option New Baghouse New ESP Capital investment $1,120,000 $938,000 110,000 Annual operating expenses 75.200 fe of both alternatives is 9 years, the effective income tax rate is 40% and the after-tax MARR is 9% per year. Both alternatives qualify as seven-year MACRS (GDS he properties. Make a recommendation regarding which alternative to select based on an after-tax analysis. Click the icon to view the GDs Recovery Rates (rk) for the 7-year property class. E Click the icon to view the interest and annuity table for discrete compounding when the MARR is 9% per year. Calculate the PW value for the new baghouse. PW Baghouse (9%) million (Round to three decimal places.) Calculate the PW value for the new ESP. ESP million (Round to three decimal places. Based on the PW values, select the
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