Health care, as a good, is best described by: a. health care should be supplied by the government because it generates positive externalities. b. health care should not be supplied by the government because the private market preserves incentives to improve health care with innovation and medical technology. c. health care should not be supplied by the government because consumers pay a price well above the true cost of providing the service. d. health care should be supplied by the government because it is nonexcludable. e. both a and b.