The table sets out the projected costs and benefits for four government projects. The government can fund only one project. Which project should be selected?
- Aprivate benefits $40m, external benefits $200m, private costs $60m, external costs $70m
- Bprivate benefits $60m, external benefits $160m, private costs $100m, external costs $20m
- Cprivate benefits $100m, external benefits $210m, private costs $100m, external costs $120m
- Dprivate benefits $150m, external benefits $90m, private costs $120m, external costs $140m