A federally subsidized, state-administered program that pays for the medical and hospital costs of welfare recipients and other low-income people is known as

Jill runs a factory that makes lie detectors in Little Rock, Arkansas. This month, Jill's 34 workers produced 690 machines. Suppose Jill adds one more worker and, as a result, her factory's output increases to 700 Jill's marginal product of labor from the last worker hired equals ________.

A) 10 B) 20 C) 690 D) 700 E) None of the above answers is correct.

Patents

A) are a legal barrier to entry. B) remove legal barriers to entry. C) create economies of scale. D) decrease the incentive to innovate. E) are prohibited in the United States.