4.1 Completion of projects at minimum cost
By adding more resources, a project may be sped up. Usually, the purpose of speeding up is to save money on project overheads, to avoid penalty clauses in contracts or, sometimes, to earn bonuses for early completion. The complication which arises is that as the critical activities are sped up more and more, other activities also become
critical. We will discuss the algorithm through the following example.