You will still be able to get public broadcasting whether or not you contribute to their fundraising campaign. You decide not to contribute. This is an example of the a. public good problem. c. externality problem. b. public sector problem. d. free-rider problem.

That is an example of the free-rider problem, some companies give services to people if they contribute or not, people who don't contribute to the problem form part of the free-rider problem, that's which they do something without contributing or giving something back.