Human-made air pollution comes from many things. Most air pollution made by humans today is because of transportation. Cars, for instance, make about 60% of the human-made air pollution. The gases inside car exhaust, like nitrogen oxide, make smog and acid rain.
The average price of a new car in America tops $33,000, according to car-buying site Kelley Blue Book, so buying a vehicle is a major financial move. While many consumers focus on sticker price or the monthly payment, that overlooks many other costs.
According to a recent national survey, the average commission for car salesmen is $250 per vehicle sold. The average selling price per vehicle is about $1,000 over the invoice cost. And the average number of cars sold is 8 to 10 vehicles per salesman per month.ccording to a recent national survey, the average commission for car salesmen is $250 per vehicle sold. The average selling price per vehicle is about $1,000 over the invoice cost. And the average number of cars sold is 8 to 10 vehicles per salesman per month.