1) Which of the following is a list of nonrival private goods only?

A. a public beach, soup kitchen meals, public roads, smog reduction

B. online video games, a private beach, toll highways, cable Internet service

C. cable Internet service, toll highways, public roads, soup kitchen meals

2) Economic theory suggests that college graduates receive higher wages than those with only a high school education because:

A. college graduates are more productive.

B. college graduates tend to unionize.

C. the supply of high school graduates is relatively small compared with the supply of college graduates.

D. national defense, a lighthouse, smog reduction, cable Internet service