2.1 project life cycle

the initial stage, the cost and personnel level are low, reaching the highest in the intermediate stage, and rapidly decreasing when the project is near the end. At the initial stage of the project, the uncertainty level is the highest, so the risk of failing to achieve the project objectives is the highest. At the initial stage of the project, the ability of the project stakeholders to influence the final product characteristics and the final cost of the project is the highest, and gradually decreases as the project continues.