How can a multinational enterprise $($ MNE $)$ ?reduce the impact of exchange rates on the net present values $($ NPVs $)$ ?of capital investment projects?

?a $.$ ?by diversifying overseas operations but limiting to countries that only use the same home currencies

?b $.$ ?by diversifying overseas operations to more than one foreign country with different home currencies

?c $.$ ?by consolidating overseas operations in foreign countries to only a few countries that use the same home currency

?d $.$ ?by consolidating overseas operations to just one other country