(Supply Chain Coordination) You have been asked to work with a retailer to improve their supply chain performance in two categories, paper tissue (toilet paper, tissues and kitchen paper towel} and personal sanitising products (hand sanitiser, wipes]. Since the beginning of the COVIDlQ pandemic, they have experienced substantial variations in demand for both products. This has caused substantial issues in the supply chain known as the bullwhip effect. 1} What are the most important obstacles to improved coordination in the supply chain for these two product categories? Explain why. (maximum 200 words, 5 points) 2} What levers can a supply chain manager use to address the obstacles? Explain why with example(s). (maximum 200 words, 5 points)