answer this question for me.

3. Consider the following information about Amber Pharmaceutical's stock price. Assuming that the market is in equilibrium (i.e. Expected rate of return = required rate of return): Year Year-end stock price 31-Dec-'17 $666 31-Dec-'18 878 31-Dec-19 768 31-Dec-20 868 The market risk premium is 8%, and the risk-free rate is 4%. How much is the unsystematic risk for Renata Pharmaceuticals? [7 Marks]