Cost estimation is important to a project. Which of the following is not true of cost estimates? Question 9 options: They give the project manager a framework for allocating scarce resources as the project progresses. They provide the mechanism for revising project activity duration (e.g., during crashing). Along with project returns, they facilitate decisions relating to project financing and funding. They provide a standard against which actual expenditures incurred during the course of a project can be compared and serve as the basis for cost control. Cost estimates are only needed during monitoring and controlling the project. Cost estimates with the estimates of revenues enable the project organization to determine if the project is worthwhile to undertake