Which mix of costs and benefits will cause net social costs to rise?
- Aprivate benefits falls; external benefits falls; private costs no change; external costs no change
- Bprivate benefits no change; external benefits increases; private costs falls; external costs no change
- Cprivate benefits no change; external benefits increases; private costs falls; external costs falls
- Dprivate benefits increases; external benefits increases; private costs no change; external costs falls