For each of the following problems, (a) draw the cash flow diagram; (b) present clean and clear manual solutions to the problem; (c) highlight the final answer (only the final answer as required by the problem) by enclosing it within a box.   An existing robot can be kept if $2,000 is spent now to upgrade it for future service requirements. Alternatively, the company can purchase a new robot to replace the old robot. The following estimates have been developed for both the defender and challenger. The company’s MARR is 20% per year. Based on this information? Should the existing robot be replaced now? Assume the robot will be needed for an indefinite period of time.   Defender   Challenger Current MV $38,000   Purchase Price $51,000 Required Upgrade $2,000   Installation Cost $5,500 Annual Expenses $1,400   Annual Expenses $1,000 Salvage Value - $1,500   Salvage Value $7,000

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
Section: Chapter Questions
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For each of the following problems, (a) draw the cash flow diagram; (b) present clean and clear manual solutions to the problem; (c) highlight the final answer (only the final answer as required by the problem) by enclosing it within a box.

 

An existing robot can be kept if $2,000 is spent now to upgrade it for future service requirements. Alternatively, the company can purchase a new robot to replace the old robot. The following estimates have been developed for both the defender and challenger. The company’s MARR is 20% per year. Based on this information? Should the existing robot be replaced now? Assume the robot will be needed for an indefinite period of time.

 

Defender

 

Challenger

Current MV

$38,000

 

Purchase Price

$51,000

Required Upgrade

$2,000

 

Installation Cost

$5,500

Annual Expenses

$1,400

 

Annual Expenses

$1,000

Salvage Value

- $1,500

 

Salvage Value

$7,000

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