But critics say that practice results in low-margin sometimes even unprofitable sales as dealers chase sales bonuses tied to volume-based targets.

WSJ: Honda Pins Revival on U.S. Auto Sales

Manufacturers up the ante by rewarding dealerships and salespeople with cash for selling certain tough-to-move models, and add bonuses for hitting volume targets.

FORBES: Magazine Article

The suit further claims that Morgan Stanley brokers received bonuses based on sales volume.

FORBES: Morgan, Merrill Face Lawsuits Over Annuities