• Exponential Smoothing Forecast: plot the data, decide if the data show trends or seasonality, and apply the model that is consistent with the Find your forecasts for the next two periods ahead.
• Regression: Find all the variables that theoretically affect the variable under Run the regression. Correct all the problems like multicollinearity, serial correlation, etc. Choose the final correct regression. Find your forecast for one period ahead.
• Time-series method: Plot the data. Decide if thedata is stationary or not. If data is not stationary take the first Examine the autocorrelation and partial autocorrelation