【单选题】According to the relative PPP, if country A’s inflation rate is higher than country B’s inflation rate by 3%, __________.
A.
country A’s currency should depreciate against country B’s currency by 3%
B.
country A’s currency should appreciate against country B’s currency by 3%
C.
it is hard to say whether country A’s currency should appreciate or depreciate against country B’s currency. The exchange rate is influenced by many factors