The marginal cost is the slope of the:

Which of the following statements is TRUE?

A) The infant-industry argument is valid only if the benefits of learning-by-doing in the infant industry spill over to other parts of the economy. B) A subsidy to an infant industry is a more efficient way to protect it from foreign competition than a tariff on the competing foreign goods. C) Both statements are true. D) Neither of the statements is true.

The largest income redistribution program(s) in the United States is (are) the

A. Supplemental Security Income program. B. Temporary Assistance to Needy Families (TANF) program. C. Social Security System. D. Medicare and Medicaid programs.