The U.S. dollar exchange rate increased from $\$ 0.96$ Canadian in June 2011 to $\$ 1.03$ Canadian in June $2012,$ and it decreased from 81 Japanese yen in June 2011 to 78 yen in June 2012.
Did the U.S. dollar appreciate or depreciate against the Canadian dollar? Did the U.S. dollar appreciate or depreciate against the yen?