Carmelita can perform either a combination of 35 manicures and 70 pedicures or a combination of 50 manicures and 45 pedicures. If she now performs 35 manicures and 70 pedicures, what is the opportunity cost of performing an additional 15 manicures?

Tom's consumption possibilities is defined by

A) his income and the prices of the goods that he consumes. B) his preferences for consumption of the goods that he consumes. C) the prices of the goods that he consumes only. D) his income only.

The sum of currency issued by the central bank and bank deposits at the central bank is called

A. domestic assets. B. the monetary base. C. the money supply. D. fractional reserves.