SHEIN'S STRATEGY: SUSTAINABILITY ANALYSIS 1. Advantage Sustainability. How sustainable is SHEIN's competitive advantage in the fast fashion industry? Column A, identifies four current sources of SHEIN's competitive advantage. Please add detail as sub-bullet points. Feel free to add an additional source of competitive advantage, if desired. In column B, identify potential changes to the fast fashion industry forces that could affect SHEIN's sources of competitive advantagepositively or negativelyand, for each, explain why you believe that this change may occur. In column C, elaborate the implications of your identified changes to industry forces for the sustainability of SHEIN's competitive advantage in column A. (Keep Figure 5.6 and the related reading in mind when completing this column.)