The Retail Store POS System Upgrade project has been going well. The project is on schedule, on budget , and in scope at this point. A major reason for the project's success has been that Tad Micheals is the system architect for the project. Tad is considered the best system architect in the company and his technical and leadership skills are a boost to any team that he is part of. As a result, Tad is in demand by all projects. The project manager of the project has just completed his monthly project update with the CEO, during that meeting she was told that Tad will be reassigned to a higher priority enterprise reporting system project. She responded that Tad's involvement on her project is critical to the project's success, but the CEO while sympathetic to her concerns, states that strategic value drives these types of decisions. What should the project manager do