Mistaken
choices made during the refinement of a project are
expensive to rectify later (e.g. during development)
since delays then, when much larger resources are
deployed, incurr heavy nugatory costs.
Appraise
Estimates
Placing estimates
within the context of actual costs for past projects
enables estimates of disparate origin to be compared
on a common basis. In cases of dispute, decision-makers
are aided in making an informed choice in which they
can have confidence
