Consider a three-firm supply chain consisting of a retailer, manufacturer, and supplier. The retailer's demand over an 8-week period was 110units each of the first 2 weeks,210units each of the second 2 weeks, 280units each of the third 2 weeks, and 420units each of the fourth 2 weeks. The following table presents the orders placed by each firm in the supply chain. Notice, as is often the case in supply chains due to economies of scale, that total units are the same in each case, but firms further up the supply chain (away from the retailer) place larger, less frequent, orders.

a) What is the bullwhip measure for the retailer?The bullwhip measure for the retailer is

1.0

b) What is the bullwhip measure for the manufacturer?The bullwhip measure for the manufacturer is

enter your response here.

week	retailer	manufacturer	supplier
1	110	220	640
2	110	0	0
3	210	420	0
4	210	0	0
5	280	560	1400
6	280	0	0
7	420	840	0
8	420	0	0