Which of the following is a negative effect of a “cap and trade” system? It will not have an effect on production of pol

[answerhappygod]

Which of the following is a negative effect of a “cap and trade”
system?
It will not have an effect on production of pollution.
Areas with higher concentrations of older plants will still
experience a lot of pollution, as many of the permits will be
bought by those plants.
It costs the government money to run the system.
Companies feel it is too punitive and do not want to participate
in it.