Fish in international waters is an example of a common good, which an economist would categorize as __________ and __________. a.) rivalrous; non-excludable b.) non-rivalrous; non-excludable c.) non-rivalrous; excludable d.) rivalrous; excludableConsider the negative externality graph. If the firms are able to ignore the harm to society, which of the following statements is correct? a.) The market overproduces the good or service. b.) The market price will be P*. c.) The market price is set too high. d.) The market underproduces the good or service