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6. Masashi Kishimoto from Credit Suisse (Tokyo) observes that the /$ spot rate has been holding steady, and both dollar and yen interest rates have remained relatively fixed over the past week. Masashi wonders if he should try an uncovered interest arbitrage transaction and thereby save the cost of forward cover. Many analysts are predicting that the spot rate will remain close to 118.00/$ for the coming 180 days. Using the flowing data, analyze the UIA potential. a. Calculate how much profit Masashi could make if his expectations prove correct. b. What if the spot rate in 180 days is 106/$