21. Introduction to Defender and Challenger Equipment
The chapter discusses the analysis of replacing existing equipment with new proposed equipment using economic evaluation methods. It specifically addresses how to perform replacement analysis by considering relevant costs such as operating and maintenance costs while disregarding sunk costs and initial purchase prices. A comparison between two machines, the defender and the challenger, illustrates the application of the annual worth method in determining the more economical option.
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What we have learnt
- The replacement analysis should focus on current trading values and relevant costs rather than historical or sunk costs.
- Calculating the equivalent annual cost helps compare different equipment options for informed decision-making.
- Economic life of equipment is defined by the minimum equivalent uniform annual cost.
Key Concepts
- -- Sunk Cost
- A cost that has already been incurred and cannot be recovered; it should not affect future investment decisions.
- -- Equivalent Annual Cost (EAC)
- A method used to compare the annual costs associated with an asset over its lifespan, allowing for better replacement decisions.
- -- Uniform Series Capital Recovery Factor
- A factor used to convert a present value into an equivalent annual amount over a specified number of periods at a given interest rate.
- -- Operating and Maintenance Costs
- Recurring expenses associated with the regular operation and upkeep of equipment.
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