Without an accepted medium of exchange, people A) have to ...

[s.tung]

Without an accepted medium of exchange, people
 
  A) have to specialize in one area of production.
  B) have to resort to barter in order to exchange goods and services.
  C) have to rely on gold or silver in order to exchange goods and services.
  D) can efficiently obtain goods and services.

Question 2

In the above figure, the marginal propensity to consume (MPC) equals
 
  A) 0.9. B) 0.75. C) 0.8. D) 0.85.

[emilymalinowski12]

Answer to Question 1

B

Answer to Question 2

A

[s.tung]

TYSM

[amit]

Gracias!