please solve and show all work. do not copy same answes from other chegg problems please. make sure to read it carfully. thank you

8. (3 points) Suppose the spot rate changed from $1.3484/4 to $1.2952/. What is the % appreciation/depreciation in the pound relative to the US dollar? Bid 9. (5 points) You are a currency trader based in the U.S. for a multinational bank and you have $5,000,000 bank credit available. You notice the following quotes: Ask SEC Bank $0.7140/AS $0.7146/AS First Trust Bank 50.7135/AS $0.7138/AS Is locational arbitrage possible? If so, show all steps. How much could you profit? 10. (4 points) What is the difference between corporate social responsibility and sustainability? 11. (I point) Which of the following limits a central bank's ability to manage their country's own monetary policy? Fixed or Floating exchange rates. 12. (3 points) What is the technical difference in the terms depreciation and devaluation with regard to exchange rates? 13. (3 points) What is an exposure with regards to corporate risk, and give an example 14. (2 points) Based on class discussion, a) what is the name of the type of banking system in Germany, and b) what is the name of their corporate system of having two boards, (a management board and supervisory board)? 15. (2 points) Under the free cash flow problem, why is managers' holding on to corporate cash to avoid the capital markets an issue to be concerned about