draw me a table and solve it

For the data below: 1. Develop 3-month moving average forecast. 2. Develop 3-month weighted moving average forecast given the following weights (0.5,0.3, and 0.2). 3. Develop exponential smoothing forecasting using =0.3. 4. Develop adjusted exponential smoothing forecasting using =0.3 and =0.4. 5. Develop a linear trend line forecasting. 6. Use MAD to determine which of the above methods is more accurate