Which of the following items would Renee complete in Phase 4 of the project life cycle if she was planning a project to organize a vacation package for a group of retirees?

a. The stakeholders tell Reneetheir goals for the vacation.

b. Renee resolves issues with date conflicts when making hotel reservations.

c. Renee conducts a post-vacation survey to learn which hotels the travelers liked best.

d. Renee assigns a team member to rent a charter bus.