Explain in three paragraphs why forecasting methods such as simple moving averages, weighted moving averages, and simple exponential smoothing are not well suited for data series that have trends. NOTE: Data series means actual history of the data.

Zara, a global retail and apparel manufacturer based in spain that has successfully implemented this idea by having a continuous flow of new products that are typically limited in supply. zara has created a system that draws its clientèle into its stores, on average, 17 times per year as compared to 4 times per year for most stores. how is zara using it to gain competitive advantage? what specific technologies are used by zara to maintain this advantage over its competition?