Producer surplus from a unit of output is the difference between the market price and the seller's cost of producing that unit

During an economic expansion when real GDP increases, the

A) demand for money decreases. B) nominal interest rate is constant. C) demand for money increases. D) supply of money decreases. E) real interest rate is constant.

Suppose a country operates on its production possibility frontier when it produces 1000 books and 1000 tables. The combination of ________ reflects ________

A) 500 books and 1000 tables; an inefficient but attainable point B) 1000 books and 500 tables; an efficient point C) 1000 books and 1000 tables; a free lunch D) 500 books and 500 tables; an attainable and efficient point E) 1000 books and 1500 tables; a free lunch