Which of these economic variables is countercyclical?

If the marginal cost of producing the tenth unit of output is $2.50, and if the average total cost of producing the tenth unit of output is $3, then at ten units of output, average total cost is rising

a. True b. False Indicate whether the statement is true or false

Most of the U.S. public debt is owed to the nation's citizens and domestic institutions. This is one reason that the public debt:

A. Crowds out private investment B. Does not impose a large burden on future generations C. Has a pro-cyclical economic effect on the economy D. Can result in the bankruptcy of the Federal government