A healthcare institution is building a new patient information system. It wants to ensure the system can handle the projected volume of patient records and requests, especially during peak hours, without compromising the accuracy of information and system performance. Which of the following is the most effective way to confirm the system's ability to manage the expected demand? A. Performing manual testing on the system B. Running a simulation of the system C. outsourcing the system to a third party for validation D. Launching the system and addressing issues as they arise