Urgent. Please answer all the questions

Adam is facing some challenging times to manage his investment due to the current pandemic situation and the government's decision to suspend economic activity. Adam feels he needs to strategically reposition his portfolio to optimize the return while maintaining the lowest possible risk. The following table summarizes his portfolio position. a) Calculate Adam's current portfolio return based on the given information (3 marks) b) Calculate Adam's current portfolio risk based on the given information (7 marks) c) To optimize his portfolio, Adam believes he must fully dispose one of the stocks from his portfolio. Based on the correlation coefficient analysis given, which stock he should sell? Why? (2 marks) d) Based on your answer to the previous question, what will be the best portfolio allocation for the two remaining stocks? (Hint: use the minimum variance formula to calculate the ideal weight) (4 marks) e) Using the new weights, what will be the new portfolio return and risk? (Hint: please use two decimal points for the weight) (7 marks) f) Briefly evaluate the performance of the new portfolio return and risk (2 marks)