Premise:
"you know yeah but they they would have only been about twenty dollars a month higher"
Hypothesis: The difference would have been an additional twenty dollars a month.

yes

Premise:
"This is done to account for the likelihood that an average case of pollution-related CB is not as severe."
Hypothesis: The average case of pollution related CB is not bad.

yes

Premise:
"This creates an incentive for continual improvement in environmental performance."
Hypothesis: Incentives are required for the continual improvement in environmental performance.
yes