PROBLEMS (You have to do all of them. Each counts for 15 points for a total of 30 ) A. The ER is real $.10, or $10 buys 1 real. The change in the ER is what percentage wise, if at the end of the year the ER is r$.011111111, or $90 buy real 1 ? Show it in two ways. The one is real per dollars and the other is dollars per real. B. The Nigerian naira versus the US dollar is 7 to 1, i.e, 7 naira buy one dollar. The ER between the Swiss franc and the US dollar is one Swiss franc to 1.1 US \$. Finally, the naira trades 7.02 per one Swiss franc. What kind of triangular arbitrage tiill induce a profit for you? Assume you start with $1 million