If the dollar's value changes from 120 yen per dollar to 110 yen per dollar, the dollar has
A) depreciated.
B) appreciated.
C) demanded.
D) devalued.
Question 2
Money as a medium of exchange
I. facilitates the exchange of goods.
II. reduces or eliminates the need for barter.
A) I only
B) II only
C) both I and II
D) neither I nor II