estion 4 (a) (b) Is the Law of One Price realistic? How does the Law of One Price stop (or fail to stop) commodity arbitrage? Explain with example. If a market is believed to be weak-form efficient, does it also imply strong-form efficiency? Is the opposite true? Using Bitcoin as a case study, demonstrate how cryptocurrencies are poised to solve several problems with payment mechanisms in the existing financial system. You may use a diagram to demonstrate your understanding if you believe it aids your (c) case