Which of the following is a fixed expense for Maria's sandwich food truck? (A) Salaries for her employees (B) Truck insurance (C) Advertising (D) All of the above

How do patents and copyrights encourage innovation? they limit the number of inventions an individual may patent or copyright, so more people can invent things. they prevent inventors and other creative people from making huge profits, thus keeping prices low for consumers. they grant companies the right to copy the inventions and creative works of individuals at little or no cost. they give inventors and writers exclusive rights to make and sell their inventions and works, possibly making large profits?

Suppose that each country completely specializes in the production of the good in which it has a comparative advantage, producing only that good. in this case, the country that produces jeans will produce 32 million pairs per month, and the country that produces corn will produce 32 million bushels per month.

When the federal reserve buys bonds from or sells bonds to member banks, it is called monetary policy reserve ratio interest rate adjustment open market operations