If Country A produces 7,000 units of goods and services using 700 hours of labor, and if Country B produces 5,500 units of goods and services using 500 units of labor, then productivity is lower in Country A than in Country B

The federal budget is decided upon by the

A) President of the United States and the United States Treasury. B) the United States Treasury alone. C) President of the United States and the United States Congress. D) President of the United States and the Federal Reserve system. E) United States Congress and the Federal Reserve System.

If the utility function (U) between food (F) and clothing (C) can be represented as U = , the marginal rate of substitution of clothing for food equals

A) -C/F. B) -F/C. C) - . D) - .