The government has decided to impose a pollution tax on coal burning power plants in an attempt to reduce harmful emissions. The new tax will cost the 20 largest industrial carbon emitters $6 million annually. In terms of reduced emissions, the annual tax benefits are valued at $20 per person. 100 million people are directly affected by emissions from these plants. The total annual cost of this tax is ___________, while the total annual benefit to society is ____________.
$60 million, $2 billion
$60 million, $1 billion
$120 million, $1 billion
$120 million, $2 billion