Which is the best example of someone for whom you might advocate? a criminal who poses a risk to public safety a friend who has done you a favor in the past a family member who threatens you with harm an elementary student with special needs?

"choosing is refusing" means individuals face an opportunity cost with each decision they make. economists state that every decision involves trade-offs. opportunity cost is the least desirable alternative given up as a result of a decision.

a factory opens that mass-produces light bulbs.

explanation:

not sure if that's an answer to your questions but this is an example! : )