Answer:
a.
The yen is expected to get stronger in three-month time.
It is because it is taking up to ¥102.21 to exchange for $1 at spot, while in three-month time, it is expected that it will only take ¥101.18 to exchange for $1.
b.
Applying relative purchasing power parity, we have:
USD is expected to depreciate 3% against Japan Yen, calculated as: 102.21 / 101.18 - 1 = 3%.
Thus, inflation rates of the United States is estimated to be 3% higher than inflation rates of the Japan.
Explanation: