Answer:
b.requires that economic data be reported in yen in Japan or dollars in the United States
Explanation:
According to the monetary unit assumption, the transaction of the business are recorded in terms of monetary units
That means only that transactions are recorded which are in terms of money
. If the transactions are not in terms of money than the same is not under the monetary unit assumption
As in the given options, the japan currency is yen and the currency of the united states is dollars that reflect the monetary unit