Suppose That a Firm Plans to Provide Defense Against Asteroids

Suppose that a firm plans to provide defense against asteroids striking the earth. Which of the following is TRUE?

A) Most people will find it in their self-interest to pay the firm to protect the earth.
B) Asteroid protection is a private good, so the firm will make a lot of profit.
C) In case of an earth-bound asteroid, the firm will not protect people who refused to pay for asteroid defense.
D) Most people will not pay a firm for asteroid defense.