i) You need to purchase 1,000,000,000 JPY using USD to pay for an import transaction. Assume that you need to purchase the currency from a bank. Conduct research on the exchange rates quoted by different banks (you need to examine at least 5 banks) and decide on the bank that you will transact with. Explain the rationale for your selection. Provide detailed calculations of the amount of USD needed to pay for the exchange transaction. You should provide a screenshot of the banks exchange rates for reference. (2 marks) ii) Explain the reasons (with academic evidence and justification) the concept of arbitrage and how it creates a more efficient financial system? and how it creates a more efficient financial system?