An optimal allocation of resources is one which is

The slope of a typical production possibilities curve is:

A) 0. B) vertical. C) positive. D) negative.

If you own a building and you decide to use that building to open a restaurant,

A. there are no sunk costs involved in this decision. B. there is no opportunity cost of using this building for a restaurant because you own it. C. the only cost relevant to this decision is the price you paid for the building. D. there is an opportunity cost of using this building for a restaurant because it could have been used in other ways.