1. Produce the time series plots.

2. Fit a suitable:

a. time series regression model

b. exponential smoothing method

c. ARIMA or SARIMA model

3. Show the summary/report of the models/methods.

4. Write the model from your answer in 2 (a) and 2 (c).

5. Without using R, calculate the 3 months point forecast and prediction intervals using the fitted models/methods in question 2.

6. For all the fitted models/methods, diagnose the residuals.