Assuming your team members are similarly qualified, what are some options you have for resource leveling to avoid over-committing resources?

You create person loading charts for the three members of a research team you’re managing for the next month. For this project, a full-time commitment is 40 hours a week. However, you find that team member #1 is committing 40, 45, 60, and 30 hours per week; team member #2 is committing 40, 40, 20 and 20 hours per week; and team member #3 is committing 60, 40, 60 and 20 hours per week. Assuming your team members are similarly qualified, what are some options you have for resource leveling to avoid over-committing resources?