Practice Summary of Challenger's Equivalent Annual Cost - 5.4 | 21. Introduction to Defender and Challenger Equipment | Construction Engineering & Management - Vol 1
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Summary of Challenger's Equivalent Annual Cost

5.4 - Summary of Challenger's Equivalent Annual Cost

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the formula to calculate Equivalent Annual Cost?

💡 Hint: Think about annualizing costs and using factors.

Question 2 Easy

What are sunk costs?

💡 Hint: Consider costs that can't influence future decisions.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the main purpose of calculating Equivalent Annual Cost?

To determine initial investment
To compare long-term costs of assets
To analyze salvage values

💡 Hint: Think about long-term financial assessments.

Question 2

True or False: Sunk costs should be included in the replacement analysis.

True
False

💡 Hint: Consider what costs can actually impact future decisions.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A company has two machines: Machine A costs ₹5,00,000, has an operating cost of ₹1,00,000 per year, and a salvage value of ₹2,00,000 after 3 years. Machine B costs ₹3,00,000, with an operating cost of ₹50,000 per year and a salvage value of ₹1,00,000 after 3 years. Calculate the EAC for both machines and advise which machine the company should choose.

💡 Hint: Use respective capital recovery and sinking fund factors to find EAC.

Challenge 2 Hard

An organization decides to replace its old equipment. The old equipment has a market value of ₹4,00,000, annual maintenance costs of ₹2,00,000, and is expected to last for another 5 years. The new equipment costs ₹6,00,000, has an annual maintenance cost of ₹1,50,000, and a salvage value of ₹3,00,000. What would be the EAC for both pieces of equipment, and which should they keep?

💡 Hint: Remember to consider future salvage values while calculating EAC.

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