________ carriers typically move commodities over large distances at lower costs per unit shipped.

A) Air
B) Truck
C) Rail
D) Package

When only a specified amount of a good can be imported into a country during a year,that good is subject to a(n)

A) subsidy.
B) tariff.
C) quota.
D) export restriction.

What is the key reason why employers' benefits costs are less in Canada versus the United States?

A) Doctors are cheaper in Canada.
B) Healthcare is subsidized by governments in Canada.
C) Hospitals are better managed in Canada.
D) Canadians have better eating habits.