Assume the total product of two workers is 110 and the total product of three workers is 120. The three worker's average product is ________ while the third worker's marginal product is ________.

According to the quantity theory of money, if the growth rate of money supply is 6% and the growth rate of real GDP is 9%, then the growth rate of nominal GDP in the economy will be:

A) 9%. B) 6%. C) 3%. D) 15%.

Which of the following is NOT an example of transactions costs?

A) high interest rates B) lawyers' fees C) brokerage commissions D) minimum investment requirements