Barilaro Ltd is a publicly listed company on the Australian Securities Exchange. Barilaro's annual stock returns are assumed to be normally distributed with a mean of 0.08 and a standard deviation of 0.04. a. What is the probability of Barilaro's stock return exceeding 12%? Show all working. (3 marks) [Type your answer here] b. What is the probability of Barilaro's stock return being less than -8%? Show all working. (3 marks) [Type your answer here]- C. What is the probability of Barilaro's stock return falling between 9% and 13%? Show all working. (3 marks) [Type your answer here) d. Discuss the disadvantages of assuming that stock returns are normally distributed. (3 marks) [Type your answer here] e. Discuss the difficulties associated with utilising ex-ante measures of risk