What is the total profit generated?

_____ is a market-based pollution abatement scheme in which emissions are limited and sources must hold tradable permits equal to the amount of their discharges.

a) Command-and-control b) Carbon tax regime c) Cap and trade d) Carbon fees with rebates

Unsolicited and unwanted commercial e-mail is referred to as ________

A) an infomercial B) an advertorial C) viral marketing D) social media E) spam