An organization bases its yearly sales projections on official data regarding the industry's overall demand. Below are the company's overall sales and demand statistics during the previous ten years. i) A 2-year moving average. ii) A 6-year weighted moving average using 0.1,0.2, and 0.3 , with the highest weights to the most recent months. iii) Exponential smoothing with =0.3 and a forecast for year 5 . c) With the data provided, what method would allow you to prepare the sales forecast for year 8