If 1000 Mexican pesos could buy $100 U.S. dollars in 2006 and 87 U.S. dollars in 2010, then: Mataeo buys Euros through _________________________, he will use his U.S. dollars to pay for them. a) the dollar strengthened against the peso. b) the dollar depreciated against the peso. c) the peso strengthened against the peso. d) the peso appreciated against the dollar