Given the table below, what is the marginal cost of the 250th unit of output?  

All of the following actions shift the aggregate demand curve to the right EXCEPT

A) the Fed raises the interest rate. B) an increase in government transfer payments. C) inflation is expected to rise next year. D) an increase in expected future profit. E) a decrease in taxes.

Which of the following would increase the supply of physicians?

a. Increasing the cost of attending medical school. b. More scholarships and grants to cover medical school tuition. c. Increasing the medical school entrance requirements to include 15 hours of economics. d. Making it easier for plaintiffs to prove medical malpractice claims. e. Paying medical schools to eliminate residency opportunities in some specialties.