At the beginning of the project, it may not be possible to estimate the costs for all activities with a level of confidence regarding their accuracy. This is especially true forprojects with a short term.longer-term projects.projects that are similar to ones completed by the organization before.projects with activities that are serially related.

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(B) as It might not be possible to predict the costs of every activity at the outset of the project with a degree of confidence in their correctness. Particularly in regard to long-run projects.

If a project is not a short-term project, it may not be possible to estimate the costs for all activities at the outset with a degree of confidence in their accuracy because

it is difficult to predict the costs of unforeseen outcomes and factors that may have an impact on the project in the long run.

Cost overruns are unplanned adjustments to the project budget that increase the final project cost. Three main causes are possible for it to occur: causes related to the economy, technology, and psychology

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