Big Mac cost 3.19 in Britain and $5.58 in the United States. The actual exchange rate in the market was, 0.78/$ (0.78 per dollar). Was the British pound overvalued or undervalued with the U.S. dollar? By how much? (Note: Include the "-" sign in your answer if it is undervalued) Your answer: _______________ (%) (Please round your answer to full percentage.

The exchange rate between the U.S. dollar and the Argentine peso was 19.9178 pesos per dollar. On February 12, 2019, it was 37.9360 pesos per dollar. How much did the value of the Argentine peso change over this time period in percentage? (Note: Include the "-" sign for peso depreciation) Your answer: _______________ (%) (Please round your answer to two decimal places.