A painting department supervisor needs to improve the efficiency in the department and knows that a successful outcome may result in a promotion to department manager. Two unique projects are designed to reach this goal. The first project is a minor change to spray can placement that is a quick fix and unlikely to be noticed by anyone not working in the department. The other project is a major change to the workstations that will take two months to complete and should result in favorable senior management approval. The supervisor decides to focus on the major project. Which external factor of perception did the supervisor use when choosing a project