8. You've taken over as a project manager on a highway construction project, and the execution is already underway. Your sponsor tells you that moving forward, all asphalt should be laid down with a 12" thickness. The scope statement and the WBS call for 9" thick asphalt. What is the BEST course of action? A Look for a cheaper supplier so the cost impact is minimized B. Tell the sponsor that the work is already underway, so you can't accommodate his request C. Refuse to alter the plans until the change control system has been used D. Tell the team to accommodate the request immediately