The best information system does not result in good control. Control requires the
project manager to use information to steer the project through rough waters. Control
and Gantt charts are useful vehicles for monitoring time performance. The cost/
schedule system allows the manager to have a positive influence on cost and schedule
in a timely manner. The ability to influence cost decreases with time; therefore, timely
reports identifying adverse cost trends can greatly assist the project manager in getting
back on budget and schedule. The integrated cost/schedule model provides the project manager and other stakeholders with a snapshot of the current and future status of the project. The benefits of the cost/schedule model are as follows