Open-market operations are such a powerful tool of monetary policy that they are seldom used

The figure above shows Sam's budget line. Why will Sam not purchase 36 gallons of gasoline and 4 pounds of coffee?

A) because he does not like this combination B) because this combination does not contain enough coffee to satisfy him C) because this combination contains more gasoline than his gasoline tank will hold D) because he cannot afford this combination

The U.S. and the Canadian currencies are the only two in the world that are called "dollars."

Indicate whether the statement is true or false