The sponsor of the project has expressed concern about too much testing being carried out early in the project. When budgeting projects using Agile methods, which statement BEST describes "shift left"? a. Perform as much testing and risk reduction early to gain feedback as soon as possible so needed changes can be made quickly b. The process of developing an approximate and best guess of the monetary value of resources needed to complete all project activities c. A quantified assessment of the likely amount. It should always include an indication of accuracy. d. Short, time-boxed effort to test the concept to reduce risk