Develop a moving average forecasting model for Sales’ quantity using k = 2 and 4. Which models works best? (20) 2. Develop an exponential smoothing model for Average cost using α = 0.2 and 0. 4. Which models works best? (20) 3. Develop a linear regression model for Employees. (20) 4. Develop a linear regression model to forecast revenue. Use all the provided variables. (30) (Use months as a seasonality) 5. Forecast the revenue for May 2023 using the linear regression model from question 5