The International Fisher Effect States That Real Rates Are Equal

The international Fisher effect states that real rates are equal across countries.This equalization may not hold if:
I.currency movement restrictions exist.
II.inflation rates vary among countries.
III.risk tolerance levels vary among countries.
IV.interest rates vary among countries.

A) I and III only
B) II and IV only
C) III and IV only
D) I,III,and IV only
E) II,III,and IV only