An airline is considering two types of engine systems for use in its planes. Each has the same life and the same maintenance and repair record. System A costs $90,000 and uses 37,000 gallons per 1,000 hours of operation at the average load encountered passenger service. System B costs $250,000 and uses 26,000 gallons per 1,000 hours of operation at the same level. Both engine systems have three-year lives before any major overhaul is required. On the basis of the initial investment, the systems have 18% salvage values. If jet fuel costs $1.87 a gallon (year 1) and fuel consumption expected to increase at the rate of 11% per year because of degrading engine efficiency, which engine system s the firm install? Assume 3,000 hours of operation per year and a MARR of 9%. Use the AE criterion. What is the equivalent operating cost per hour for each engine? Assume an end-of-year convention for the fuel cost. Click the icon to view the interest factors for discrete compounding when MARR = 9% per year. The equivalent annual costs for system A are $ *** (Round to the nearest dollar.)

Essentials Of Investments
11th Edition
ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Chapter1: Investments: Background And Issues
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An airline is considering two types of engine systems for use in its planes. Each has the same life and the same
maintenance and repair record.
System A costs $90,000 and uses 37,000 gallons per 1,000 hours of operation at the average load encountered in
passenger service.
System B costs $250,000 and uses 26,000 gallons per 1,000 hours of operation at the same level.
Both engine systems have three-year lives before any major overhaul is required. On the basis of the initial
investment, the systems have 18% salvage values. If jet fuel costs $1.87 a gallon (year 1) and fuel consumption is
expected to increase at the rate of 11% per year because of degrading engine efficiency, which engine system should
the firm install? Assume 3,000 hours of operation per year and a MARR of 9%. Use the AE criterion. What is the
equivalent operating cost per hour for each engine?
Assume an end-of-year convention for the fuel cost.
4
Click the icon to view the interest factors for discrete compounding when MARR = 9% per year.
****
The equivalent annual costs for system A are $. (Round to the nearest dollar.)
Transcribed Image Text:An airline is considering two types of engine systems for use in its planes. Each has the same life and the same maintenance and repair record. System A costs $90,000 and uses 37,000 gallons per 1,000 hours of operation at the average load encountered in passenger service. System B costs $250,000 and uses 26,000 gallons per 1,000 hours of operation at the same level. Both engine systems have three-year lives before any major overhaul is required. On the basis of the initial investment, the systems have 18% salvage values. If jet fuel costs $1.87 a gallon (year 1) and fuel consumption is expected to increase at the rate of 11% per year because of degrading engine efficiency, which engine system should the firm install? Assume 3,000 hours of operation per year and a MARR of 9%. Use the AE criterion. What is the equivalent operating cost per hour for each engine? Assume an end-of-year convention for the fuel cost. 4 Click the icon to view the interest factors for discrete compounding when MARR = 9% per year. **** The equivalent annual costs for system A are $. (Round to the nearest dollar.)
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