Answer the next question based on the following data. All figures are in billions of dollars.Government purchases$15Consumption90Gross investment20Consumption of fixed capital5Exports8Imports12This nation's GDP is ________.

The M1 definition of the money supply includes currency,

a. checkable deposits, and savings accounts. b. checkable deposits, and credit cards. c. checkable deposits, and debit cards. d. and checkable deposits.

Which of the following explains the shape of an average total cost (ATC) curve?

a. Average fixed cost drives up ATC at very high levels of output. b. ATC is high at both very small and very large levels of output. c. ATC curves are U-shaped because variable input costs fluctuate. d. ATC is low at low output and high at high output.