Which of the Following Is Not One of the Four

Which of the following is not one of the four main uses that international businesses have for the foreign exchange market?

A) International businesses use foreign exchange markets to convert money they earn in foreign currencies to their home currencies
B) International businesses use foreign exchange markets in determining domestic wage rates
C) International businesses use foreign exchange markets when they have spare cash that they wish to invest for short terms in money markets
D) Currency speculation
E) Short term money market investments