If a loaf of bread costs $4 in the U.S. and 5 francs in Switzerland, then according to absolute purchasing power parity

	a.	the U.S.-Swiss real exchange rate (q S//franc) will equal 4/5
	b.	the U.S.-Swiss real exchange rate will equal 5/4
	c.	the U.S.-Swiss nominal exchange rate (E S/franc) will equal 4/5
	d.	the U.S.-Swiss nominal exchange rate will equal 5/4