When will you know the true accuracy of your estimate? When the project is completed and all the costs and expenses have been added up. When the design stage is

completed and all the costs and expenses have been added up. When the rough order of magnitude is completed and all the costs and expenses have been added up. When the conceptual estimation is completed and all the costs and expenses have been added up. When the detailed estimate is completed and all the costs and expenses have been added up.