1. Halcrow, Inc. expects to replace a downtime tracking system currently installed on CNC machines. The challenger system has a first cost of $70,000, an estimated AOC of $20,000 the first year increasing by 20% per year thereafter, a maximum useful life of 10 years, and a $10,000 market value after 1 year decreasing by 10% per year thereafter. (a) At an interest rate of 8% per year, determine the ESL and corresponding AW value for the challenger. (b) plot total AW from year 1 to 10 and determine the best year based on the lowest AW. (Solve by spreadsheet formula).

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1. Halcrow, Inc. expects to replace a downtime tracking system currently installed on CNC
machines. The challenger system has a first cost of $70,000, an estimated AOC of $20,000 the
first year increasing by 20% per year thereafter, a maximum useful life of 10 years, and a $10,000
market value after 1 year decreasing by 10% per year thereafter. (a) At an interest rate of 8% per
year, determine the ESL and corresponding AW value for the challenger. (b) plot total AW from
year 1 to 10 and determine the best year based on the lowest AW. (Solve by spreadsheet formula).
Transcribed Image Text:1. Halcrow, Inc. expects to replace a downtime tracking system currently installed on CNC machines. The challenger system has a first cost of $70,000, an estimated AOC of $20,000 the first year increasing by 20% per year thereafter, a maximum useful life of 10 years, and a $10,000 market value after 1 year decreasing by 10% per year thereafter. (a) At an interest rate of 8% per year, determine the ESL and corresponding AW value for the challenger. (b) plot total AW from year 1 to 10 and determine the best year based on the lowest AW. (Solve by spreadsheet formula).
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