Using the information in the table below, calculate the real exchange rate between the nations of Nordamer and Sudamer (the nominal exchange rate is the number of Nordamer dollars that can be purchased with one Sudamer dollar):
(a) Has the Sudamer dollar appreciated or depreciated in nominal terms?
(b) Has the real exchange rate appreciated or depreciated?
(c) Have Nordamer goods become less expensive for Sudamers to buy? Explain.