1. Using the chart below for the company share price for the last 13 months Calculate the returns and expected returns %
2. Forecast the share expected returns for the coming 3 months using:
   1. Moving average with w = 3
   2. Simple exponential smoothing with w = 0.7
   3. 
      
   4. Determine which forecasting method has higher confidence
   5. What you can do to improve your forecasting

Month	BMO.TO Adj  Close
2022-03-01	141.05
2022-04-01	130.60
2022-05-01	133.19
2022-06-01	119.82
2022-07-01	123.58
2022-08-01	118.66
2022-09-01	118.49
2022-10-01	122.81
2022-11-01	129.99
2022-12-01	121.36
2023-01-01	132.48
2023-02-01	129.32
2023-03-01	120.38