3. a) Over the past 5 weeks, demand for wine at Winston's Winery has been 1200, 1300, 1700, 1900, and 1100 bottles. Winston has placed weekly ordas for glass bottles of 1100,2100, 3000, 2000, and 800 units. i What is the variance of demand for Winston's Winery What is the variance of orders from Winston's Winery for glass bottles? What is the bullwhip measure for glass bottles for Winston's Winery? iv. Is Winston's Winery providing an amplifying or smoothing effect? b) Century Outlet has total end-of-year assets of $10 million. The first-of the year inventory was $800,000, with a year-end inventory of $700,000. The annual revenue was $25 million and the annual cost of goods sold was $10 million. The owner wants to evaluate his supply chain performance. Pease calculate the following SC performance measures: Gross Margin Percentage = Average Inventory Investment = Percentage of Assets invested in inventory = Inventory turnover Weeks of supply . . . I Reference Notes: Gross Margin-Revenue - Cost of Goods Sold Average Inventory Investment = (Beginning Inventory +Ending Inventory)2 Percentage of Assets invested in inventory (Average inventory investment Total assets) x 100 Inventory tumover = Cost of goods sold Average Inventary investment Weeks of supply in Inventory=Average Inventory investment (Annual cost of goods sold 52 weeks