Portfolio X, a CPPI portfolio, has a floor value of $8 million, a market value of $10 million, and a multiplier of 2.5. The portfolio is rebalanced annually. Portfolio Y, a constant mix strategy of 50% stocks and 50% bonds, has a market value of $10 million. This portfolio is also rebalanced annually. a) Calculate the initial amount of stock investment in each portfolio. (4 marks) b) Currently, the stock market is up and bond market is down. If you expect the current trend will last for a few more years, which portfolio should you choose? Explain in details