QUESTION 31 Which of the following is an example of price discrimination? OA. All of the answers are correct. B. You pay less for a movie ticket if you show your student ID. C. Business travelers pay more for airline tickets. O D. Faculty members pay less for computers they order on Apple's website. QUESTION 32 The difference between private goods and common resources is that common resources are: O A. excludable, and private goods are nonexcludable. B. more valuable than private goods. C. nonexcludable, and private goods are excludable. D.nonrival. QUESTION 33 Suppose that a firm plans to provide defense against asteroids striking the earth. Which of the following is TRUE? OA. Asteroid protection is a private good, so the firm will make a lot of profit. B. In case of an Earth-bound asteroid, the firm will not protect people who refused to pay for asteroid defense. OC. Most people will not pay a firm for asteroid defense. D. Most people will find it in their self-interest to pay the firm to protect the earth.