Inditex used Point-of-Sales (POS) in all its store around the world. POS provide sales data to headquarters twice a week. This detailed sales data is essential to indicate which styles and products were selling the most. It is also used in catching trends and could match demand by means of shortened design-to-retail cycle by a constant feed of POS data from stores. (a) Describe briefly what do you understand by POS (also known as Point-of-Sale System) as used by Inditex? (b) If you are appointed as IT Manager in Inditex, how can you explain to other Inditexs Managers the benefit of using the 4 types of data analytics (i.e., descriptive, diagnostic, predictive and prescriptive analysis) to analyse sales data collected from POS system