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Evolution costs
publish date: 2026/05/27 12:13:36.082030 UTC
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After a system is delivered, it must be updated to fix bugs, support new requirements, and adapt to changing environments. These updates can be expensive.
For custom software, which cost often exceeds development cost?
Correct Answer
Evolution cost
Explanation
Custom systems often require long-term updates and enhancements. These evolution costs can exceed the initial development cost over the system's lifetime.
Reference
Software Engineering, Ian Sommerville, 9th edition
