PTE Fill in the blanks R/W 3.Environmental Policy

Thus the environmental policy does not contribute to the profitability in any real sense at all. In practice it is companies that are well organized and efficient, or that are already comfortably profitable, that have time to _________ and police environmental policies. However, if profitable companies are the ones most likely to establish ‘environmental best _________ ‘ this is confusing cause with effect. It is not that environmental best practice causes profitability, but that being profitable allows for _________ for the environment.
Options:
1) cater, enlist, enrol, establish
2) practice, vocation, code, revision
3) concern, level, effect, bother