Specialization and division of labor are made easier by the existence of money

Suppose the only leakages are savings and taxes. The tax rate is 0.2 and the multiplier is 1.92. These values imply that the marginal propensity to consume is

A) 0.32. B) 0.60. C) 0.68. D) 0.8.

In terms of absolute dollar volume, the world's leading export nations are:

A. Germany, the United States, and China. B. the United States, Japan, and Canada. C. Japan, China, and the United Kingdom. D. Japan, the United States, and France.