please answer alll!(:

Consider the supply chain illustrated below: Last year the retailer's weekly variance of demand was 210 units. The variance of orders was 490,600,770, and 1,320 units, for the retailer, wholesaler, distributor, and manufacturer, respectively. (Note that the variance of orders equals the variance of demand for that firm's supplier.) a) The bullwhip measure for the retailer is (Enter your response rounded to two decimal places.) Over the past 5 weeks, demand for wine at Winston's Winery has averaged 1,860 bottles, and the variance of demand has been 886,750 bottles. Winston has ordered an average of 1,880 bottles per week over that time period, with a variance of orders of 1,928,250 bottles. a) The bullwhip measure for glass bottles for Winston's Winery is (round your response to two decimal places). Over the past 12 months, Super Toy Mart has experienced a demand variance of 9,850 units and has produced an order variance of 11,900 units. a) The bullwhip measure for Super Toy Mart is (round your response to two decimal places)