What is a disadvantage of assigning core team members and subject matter experts (sme) to a project as early as possible? a. people don't like to be told what to do, but are usually enthusiastic when given the chance to create the project plan. b. if highly experienced people are brought in before they are needed to complete project activities, this can be expensive. c. when experienced people participate in creating the project plan, the plan is often more detailed and realistic. d. securing experienced workers early ensures they will be available when needed.