hi i need help with one question on finance. Thankyou.

PART II Base on the company - Stockland 1. Conduct some market research to find out what has been happening to your stock for the last 5 years. Based on what we learnt, there must be two primary sources which caused the prices of your stock to plunge (i.e. decline) at certain times; Unsystematic risk and Systematic risk. Highlight two specific down periods where one is caused by unsystematic risk and the other by systematic risk. [12 marks] For each, discuss the real-event in detail and how it might have affected the company performance on the day (over the days). Show how all ordinaries (market index) responded on the same day (or over the days) using a line graph. Discuss your findings with reference to the impact of unsystematic and systematic risks