Which of the following is a characteristic of public good?
a. you must pay each time you use it
b. it is typically maintained for private use
c. the cost to build it is the same, regardless of how many people use it
d. you can apply for one if you plan to share it with the public

4) which of the following is not an example of public good?
a. private college
b. interstate highway
c. public park
d. free public health clinic

7) which of the following is not a principle of american free enterprise system?
a. profit motive
b. self-interest
c. competition
d. federal regulation

8)which of the following principles of the american free enterprise system means that consumers have a wide variety of choices when purchasing goods and services?
a. competition
b. profit motive
c. voluntary exchange
d. private property rights