How do you find the level of abatement that maximizes net benefits? (Multiple answers allowed) Select one or more:
1. Discover the maximum distance between TB(X) and TC(X)
2. Find the maximum distance between MB(X) and MC(X)
3. Discover X such that TC(X) = TB(X) (set TC and TB equal)
4. Discover X such that MC(X) = MB(X) (set MC and MB equal)