ID bullwhip Consider a supply chain where a manufacturer sells to a distributor who sells to a wholesaler who sells to a retailer. Last year, the retailer's weekly variance of demand was 3000 units. The weekly variance of orders was 4000;8000;17,000; and 12,000 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.) What is the bullwhip measure for the manufacturer