Which of the following interactions will likely have the least effect on the dollar's value? Assume everything else is held constant. a. An increase in Singapore's inflation accompanied by an increase in real U. S. interest rates b. An increase in U. S. inflation accompanied by an increase in nominal, but not real, U. S. interest rates c. An increase in Singapore's interest rates accompanied by an increase in U. S. inflation. d. A reduction in U. S. inflation accompanied by an increase in real U. S. interest rates e. A reduction in U. S. inflation accompanied by an increase in nominal U. S. interest rates