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A friend was telling me the other day that there is a pyramid for the costs of fixing a problem in the software development life cycle. Where could I find this?
He was referring to the cost of fixing a problem.
For example,
To fix a problem at the requirements stage costs 1.
To fix a problem at the development stage costs 10.
To fix a problem at the testing stage costs 100
To fix a problem at the production stage costs 1000.
(These numbers are just examples)
I would be interested in seeing more about this if anyone has references.